OpenTechnical

OT-2026-000016479

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000016479) never changes.

Identity and time

Publication numberOT-2026-000016479 · never reused
Internal UUID01a0ae6e-2d13-7e6a-936a-f2e4f061b242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016479
StatusPUBLIC

Content hashes

Canonical text9861b2aaf3eb742521c4cff94a45b2baade0d0278d9f69ade31a680774ca8614
Markdown865cf7c7358e6db4448326b401aa7e5c63cd42aa10c06119eceab440a741ea37
PDF
Publication page7b53bda10438c24e496c6b1cff625af8f48edd995805a2b5b172deb524f2da26
Manifest1652cb11d2d3fea6c21345317d5b3dd0c7c87bfa1d1f498f8f285992662d52ac

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
SignatureMc0iPr+JC2u4RzJDr1xHroYUVx9nXHRXbe0tGGuRr2VWx6mXRJYxWlWiCY3WDpuF3ZElfDoRk1lEU1ZDSUmvDg==
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

2026-09-17T12:04:40.931810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016479
observed 7b53bda10438c24e496c6b1cff625af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.914924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016479/manifest.json
observed 1652cb11d2d3fea6c21345317d5b3dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.897111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016479/publication.md
observed 865cf7c7358e6db4448326b401aa7e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.879836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016479/publication.txt
observed 9861b2aaf3eb742521c4cff94a45b2ba...
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.