OpenTechnical

OT-2026-000031463

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000031463) never changes.

Identity and time

Publication numberOT-2026-000031463 · never reused
Internal UUID01a0ae74-87ae-70b9-be82-3593967234ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031463
StatusPUBLIC

Content hashes

Canonical text6904962131cc7840ad54685a34754261602553c7824dd3b657b83513854c9d24
Markdown5e1f9e0a4d23fa218c36c2696d0dd7f925db0ca3f4242f0c1a821a68c556e32c
PDF
Publication paged27f6921d53509e0b050d8cc14de1c7cdc263aa30bd798adf335d7cfcd616e20
Manifest522064902056454390e27e4d3bb6455f9fd04251ee894418976dd14a68e1d624

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
SignatureXthdku8QdsPee28g/LrAkNEoeqo6Y05lq9LkB4Z2CTI0b91YVofjrkcUVD3t/DpVOqBds+xFfrfOMY94bUDQAA==
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

2026-09-17T11:36:11.562656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031463
observed d27f6921d53509e0b050d8cc14de1c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.544527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031463/manifest.json
observed 522064902056454390e27e4d3bb6455f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.527358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031463/publication.md
observed 5e1f9e0a4d23fa218c36c2696d0dd7f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.509975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031463/publication.txt
observed 6904962131cc7840ad54685a34754261...
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.