OpenTechnical

OT-2026-000011937

Publication integrity record

Three finger electric gripper, stripped after set-down

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-2026-000011937) never changes.

Identity and time

Publication numberOT-2026-000011937 · never reused
Internal UUID01a0ae6d-1942-7cb3-953a-d19a61fb37da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011937
StatusPUBLIC

Content hashes

Canonical text7d85978d1392e0c251922a2dd7ffbac73a5e68fef1ee52913d3b13b32341bb12
Markdown0c2e21341f506a0b5e8d570589ad4fc2ca314fd38a2fe001a49adcf0ab5f44f9
PDF
Publication page811c9a7242e9c4dd04a97e6fe4c12269e3612832ab1ff0a53f6e7cec98621a2c
Manifest0b9ff3bc70ceaedcd4cf445527aeaf0a7ec7d0cf880a8bd5d55239ac6fdd7b37

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
SignatureXjkJDdLN2pg1qq3RDE7fXN1RLrlXy8x+yDLzzMhaMZJaHLAdBPmuNl1AEcrpJQrrhSZgOhruTPzooq3oWszFBQ==
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

2026-09-17T12:12:42.535796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011937
observed 811c9a7242e9c4dd04a97e6fe4c12269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.517868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011937/manifest.json
observed 0b9ff3bc70ceaedcd4cf445527aeaf0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.498033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011937/publication.md
observed 0c2e21341f506a0b5e8d570589ad4fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.478284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011937/publication.txt
observed 7d85978d1392e0c251922a2dd7ffbac7...
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.