OpenTechnical

OT-2026-000015996

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000015996) never changes.

Identity and time

Publication numberOT-2026-000015996 · never reused
Internal UUID01a0ae6e-0c4d-73a9-9332-5f87522f205e · 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-2026-000015996
StatusPUBLIC

Content hashes

Canonical textd8148887777cfbb5c0cd640417486e5048ceea34f4d91ecd913068d67166882f
Markdownea205259f1ef0e44f1bcd3dd5290f78302aaf9cc22a7be59326d53b469c121c1
PDF
Publication pagefb39a5e95e64dea51fe7813d34a4022dec5702c14418a4b8bd6f2b6a590a7d50
Manifestf02c373292adbb97c5f78e4e790a253da6cc6ec69141f53cac84a8c0e0c6ac5d

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
SignatureQMB2UH88+uVbFJQgfI6ejLkRgkzNHiLCfWdmcQdaHl4UDw4EDxnfaMMIEvtuMq4GhOyOIhUvDIaNaXtHiucpBg==
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

2026-09-17T12:05:31.102860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015996
observed fb39a5e95e64dea51fe7813d34a4022d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:31.077127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015996/manifest.json
observed f02c373292adbb97c5f78e4e790a253d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:31.053711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015996/publication.md
observed ea205259f1ef0e44f1bcd3dd5290f783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:31.021478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015996/publication.txt
observed d8148887777cfbb5c0cd640417486e50...
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.