OpenTechnical

OT-2026-000007841

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-2026-000007841) never changes.

Identity and time

Publication numberOT-2026-000007841 · never reused
Internal UUID01a0ae6a-908a-768e-9f47-810c39a1fd54 · 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-2026-000007841
StatusPUBLIC

Content hashes

Canonical text882a7d820d17b46f0da9f54bc6c237bb77daacbbddb22189b49596aed1dc4dcc
Markdown680428babea5c263b4f9d5d179fb980216e82304c4ef90d3dff1cbf43383c587
PDF
Publication pagebdc1f3b015ee6d6618a2ab20a7fb50e3292879b7dfe94d859308ace4db546e82
Manifest155f22191816bce0a00f6e4df5494660249d45106384450829adce416861fc7a

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
SignatureHl6vgRKB2uhKZHnGN5JaVPxmCv6SzfoLsqJdYiJ2KoOw9UgEpsyxoYCisL2idp4mYs6P9/H5Y1eSvHtZN0hjAA==
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

2026-09-17T12:20:17.680776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007841
observed bdc1f3b015ee6d6618a2ab20a7fb50e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.661316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007841/manifest.json
observed 155f22191816bce0a00f6e4df5494660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.642404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007841/publication.md
observed 680428babea5c263b4f9d5d179fb9802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.622683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007841/publication.txt
observed 882a7d820d17b46f0da9f54bc6c237bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.769725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007841
observed bdc1f3b015ee6d6618a2ab20a7fb50e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.752592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007841/manifest.json
observed 155f22191816bce0a00f6e4df5494660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.734631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007841/publication.md
observed 680428babea5c263b4f9d5d179fb9802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.715670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007841/publication.txt
observed 882a7d820d17b46f0da9f54bc6c237bb...
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.