OpenTechnical

OT-2026-000010489

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, vented 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-2026-000010489) never changes.

Identity and time

Publication numberOT-2026-000010489 · never reused
Internal UUID01a0ae6c-0ee7-7105-b7be-e26814a82eb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010489
StatusPUBLIC

Content hashes

Canonical text621382e6b70bfaab67aaa86ef020773eb8360a47307f2b33a41c108b2f6cc0a2
Markdowncf5b9c1a20fbaa2d4919d7f951f82ed6db916bb4114028ec4d96aa01cdb0d158
PDF
Publication page9a1d73fbcf0da3d7debfc1f9a7f33b3f5aa0048486365a8e09d9a939135487f6
Manifest619bbaed345ba8a6943dfe65e88e5590bf164fbeb46d40db4e545ef708ea14ea

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
SignaturezoeteqbkQcdln5dUW7OOBJB4qNsRU/Lk8MPISR7yaWCkf5hTZzsyFb7I7wFdLluudIlCmfE0yAsO3Wp7zHZUAQ==
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

2026-09-17T12:14:38.293369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010489
observed 9a1d73fbcf0da3d7debfc1f9a7f33b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.274619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010489/manifest.json
observed 619bbaed345ba8a6943dfe65e88e5590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.255249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010489/publication.md
observed cf5b9c1a20fbaa2d4919d7f951f82ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.237482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010489/publication.txt
observed 621382e6b70bfaab67aaa86ef020773e...
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.