OpenTechnical

OT-2026-000007844

Publication integrity record

Two finger electric gripper, stripped after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007844) never changes.

Identity and time

Publication numberOT-2026-000007844 · never reused
Internal UUID01a0ae6a-908a-7f5a-80c6-12ec46b36ba8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007844
StatusPUBLIC

Content hashes

Canonical textbe648689bdc72314b496e0409a9a281a1c3f1a99090834323f1ccde904e0c61d
Markdown96e7d680065bf37fcf6cfbbdaf795f21e8f5b40cdbe22bcb3a7ad11a42082c57
PDF
Publication page45acbbd63f86f5b4bd1604832e60616b3a3baf34239ee2ca88856e853e7e4029
Manifest0fab775f3fe3e6c6f9fb1407fedb4304ef10bfd8c396e133c8c9ed9f53ed143e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureIC9AIMVLfJ2pe7qFaKKYw2vq8gMWzD/GcPT0c8hhseJWtTEy1FSsUErkjhc1kqIiFjMeh4ZBMXhaZ8BAc37fBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:06.897757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007844
observed 45acbbd63f86f5b4bd1604832e60616b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.877950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007844/manifest.json
observed 0fab775f3fe3e6c6f9fb1407fedb4304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.859622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007844/publication.md
observed 96e7d680065bf37fcf6cfbbdaf795f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.835722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007844/publication.txt
observed be648689bdc72314b496e0409a9a281a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.064434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007844
observed 45acbbd63f86f5b4bd1604832e60616b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.045220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007844/manifest.json
observed 0fab775f3fe3e6c6f9fb1407fedb4304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.025756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007844/publication.md
observed 96e7d680065bf37fcf6cfbbdaf795f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.007197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007844/publication.txt
observed be648689bdc72314b496e0409a9a281a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.