OpenTechnical

OT-2026-000021361

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000021361) never changes.

Identity and time

Publication numberOT-2026-000021361 · never reused
Internal UUID01a0ae6f-865c-75a1-942f-37cef46cf5b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021361
StatusPUBLIC

Content hashes

Canonical text274326c4e7b6533f4c65919a5dfe5eedcbe61900e4e8021ccac6e42c98097b07
Markdown95ddc852de06a62cbe736b4e7878417678537db12e2614bfb1a1e9d233f7d1f3
PDF
Publication page439cf5cbe6824eee2d5c099b8a4bee6743eddb10b971f1ce864f6f7cac52bed2
Manifeste56c1d6a33ebbf9b41dbb0d2ce6fc6207d40debd659cd54b8e45054ca4aed531

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
Signature/YRUuSX/jN4aj4TrilYeec8QOjh2f+yGJwulDfQn/iBsesaWQcTyqQECCi58muXmvy9GNxXnwjrVRIeRfKY2Cw==
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

2026-09-17T11:55:13.448373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021361
observed 439cf5cbe6824eee2d5c099b8a4bee67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.427154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021361/manifest.json
observed e56c1d6a33ebbf9b41dbb0d2ce6fc620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.396864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021361/publication.md
observed 95ddc852de06a62cbe736b4e78784176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.360946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021361/publication.txt
observed 274326c4e7b6533f4c65919a5dfe5eed...
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.