sha1cd

SHA1 implementation with collision detection

A new way for AI to search for data
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What XERJ indexed

Snapshot

Whole repository

The whole repository at commit aaee7155f9 (2026-09-30).

Selected work

“amd64: Add an AVX2 fallback for CPUs without SHA-NI”. 6 files, 652 lines in the project root, test.

Licence

The repository

Apache-2.0

Checked by a person at the pinned commit.

The XERJ corpus

Apache-2.0, with credit

The author agreed by email on 2026-10-21. Same terms as the repository. Answers name the repo, the commit and the file:line.

in licence reviewnot in the hub yetsuggested use: adapt with attribution

collision-avoidancecollision-detectiongosha1

Example questions

The prompt

Paste it into your AI agent. It clones pjbgf/sha1cd at the pinned commit and indexes it on your machine.

Search the GitHub repository pjbgf/sha1cd with XERJ (https://hub.xerj.org/corpus/pjbgf--sha1cd).
Run these in a shell, in order, and check each result before the next:
1. xerj --help  (success: it prints usage). If xerj is missing: curl -fsSL https://xerj.org/get | sh
2. git clone https://github.com/pjbgf/sha1cd sha1cd && git -C sha1cd checkout aaee7155f94d0582f9147c34ac3d2bcd35b61c26
3. Start a local node and leave it running: xerj --insecure --data-dir ./xerj-data
4. xerj autoindex ./sha1cd --url http://127.0.0.1:9200 --prefix sha1cd --progress plain
5. xerj autoindex map --url http://127.0.0.1:9200
Then answer my question from the indexed files and cite the ax_path of every hit. Query syntax: https://xerj.org/llms.txt
Licence: Apache-2.0. Keep the copyright notice and credit the authors.

Related

Selected work and consent: the XERJ registry.