OpenTechnical

OT-2026-000011277

Publication integrity record

Two finger electric gripper, 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-2026-000011277) never changes.

Identity and time

Publication numberOT-2026-000011277 · never reused
Internal UUID01a0ae6c-5410-711b-84f6-b2bd38b7cde1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011277
StatusPUBLIC

Content hashes

Canonical textc5ed5350317a3c6ff4f45999ad7d29d31a45525b457b0c4b69adefee9548662e
Markdowndd0bbbff79cf6f0a11883701f082df4f578660830ac86914637ea048100f8bd4
PDF
Publication pagea385d43ac5686db4833304904251ab0de968c65ee474114125e917dbb852ccbf
Manifestda1e9057e29c61c306d83506820fcc2162d125dc6124390d616ace189dc77a9b

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
SignatureafIcdEi3AAzwVAC9rh2KK12GxqY74Jiff25WdwT33uc9+xQAiR0SZTFFIG5QxAtruC4kol//lj0KQyGi7xn2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:32.184471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011277
observed a385d43ac5686db4833304904251ab0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.167328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011277/manifest.json
observed da1e9057e29c61c306d83506820fcc21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.144647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011277/publication.md
observed dd0bbbff79cf6f0a11883701f082df4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.119423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011277/publication.txt
observed c5ed5350317a3c6ff4f45999ad7d29d3...
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.