OpenTechnical

OT-2026-000015242

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000015242) never changes.

Identity and time

Publication numberOT-2026-000015242 · never reused
Internal UUID01a0ae6d-ef48-73fb-ad7f-cbfcb62ee883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015242
StatusPUBLIC

Content hashes

Canonical text511594c8fe71e9daab2b0acad92b7f729637aaef63d1c0013556e6a2e5e76a21
Markdown027b083d014df251ae1c839a75077a9922bedef26bb1d433b8a73fb05acaa490
PDF
Publication page6e1ec3923c95b99a017a62792643506e38f25dea1f5dbf7478937aeef6c0f0ed
Manifest62643b2bd0694d40fce8aef8b7dbff3124b8ef20ac8bcf91b3eaa5517d59cecf

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
SignatureyzLqvcdnA4autQiirkb5f4rWa+s7wbtVG8I9LXdVsansYiO8CjppfvjkJRPqsMd74aMZ638otiim+W0Z0IA4Cw==
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

2026-09-17T12:05:53.256153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015242
observed 6e1ec3923c95b99a017a62792643506e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.236843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015242/manifest.json
observed 62643b2bd0694d40fce8aef8b7dbff31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.218542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015242/publication.md
observed 027b083d014df251ae1c839a75077a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.200598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015242/publication.txt
observed 511594c8fe71e9daab2b0acad92b7f72...
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.