OpenTechnical

OT-2026-000015635

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000015635) never changes.

Identity and time

Publication numberOT-2026-000015635 · never reused
Internal UUID01a0ae6e-0c4b-7757-85c2-ded60dc0f740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015635
StatusPUBLIC

Content hashes

Canonical text00a95b414b747c73de21ffa8c0391ea6c38b787407a68b3f15b7c02a50a6698f
Markdownc9ff2f2e5f321c90e74fa260cf22f2bbd682f58b58c19981a2527688745f3893
PDF
Publication page3ee7ef52f00c1b415ba2278476e445dcd73953d285bccecee5a323aa887ad0d5
Manifest7f8cc2ffce04cce53fffcfec057944075444c8131c11d6e28e9f1b4acc6a6ca1

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
SignatureE/leayz3xRS9Ey+rKCp1MTKdNAmCgvgC5xBRpTA1sP2Xyx1Ln8xFwQ2jH/oyY0EUZCBsy/hGzoDePhkTDOfvCw==
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

2026-09-17T12:04:53.325094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015635
observed 3ee7ef52f00c1b415ba2278476e445dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.307700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015635/manifest.json
observed 7f8cc2ffce04cce53fffcfec05794407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.288378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015635/publication.md
observed c9ff2f2e5f321c90e74fa260cf22f2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.271564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015635/publication.txt
observed 00a95b414b747c73de21ffa8c0391ea6...
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.