OpenTechnical

OT-2026-000015413

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000015413) never changes.

Identity and time

Publication numberOT-2026-000015413 · never reused
Internal UUID01a0ae6d-ef49-7f72-b1a3-00fbb9d89a31 · 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-2026-000015413
StatusPUBLIC

Content hashes

Canonical text679fdebcc135211663a8ed36d2c833cb39f53e99e71597ad1429885cff853c76
Markdowne11037227d79cfb1663086be9859df1f2c93a45aa9a07ef0aa3a457138d8437f
PDF
Publication pageda5f4502e66c11139115dbb7b532fe014ef5d2e725a146383504738eb4152716
Manifestc19da0403f24acb121fd1f788c715335c064334a2d671c5754fcff0fcb2d2e82

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
Signature4Kdl3X0pAQWtGpT6q8Ns60fOk5ks6LG0y1RPqmdXwhv5W8MMKC4nMMeRjrOXiaxgsV6QkAfu+tl/2xQJk66xDQ==
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

2026-09-17T12:06:08.580894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015413
observed da5f4502e66c11139115dbb7b532fe01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.561053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015413/manifest.json
observed c19da0403f24acb121fd1f788c715335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.541401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015413/publication.md
observed e11037227d79cfb1663086be9859df1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.519914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015413/publication.txt
observed 679fdebcc135211663a8ed36d2c833cb...
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.