OpenTechnical

OT-2026-000018329

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000018329) never changes.

Identity and time

Publication numberOT-2026-000018329 · never reused
Internal UUID01a0ae6e-b489-7bb3-8b3a-b4d7cdc664de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018329
StatusPUBLIC

Content hashes

Canonical textf32940dbe3bdfe79797a343e6d0e2e57a918084d38e3f27fbef0fcbe01dfafc5
Markdown933f66d7583736f3e2da830133d5896e7904751fedda2b194806664bdb4b49c5
PDF
Publication page4cd524722993f33cabbde30797e64670415bde4eeaa91d6d7c853381dafaef97
Manifestc95ce7a18b6eeaaca691723342930299592b519cdb239f23e48ac19c0701a7e4

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
SignatureBsUK1OMzQBx2KWQXYhAiMxsCx5o3HOhhLnXDGayNdQfz/t+II3QNz0SluysKRhsyhmfDbKCQVgIwgOqj7G4bCQ==
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

2026-09-17T12:01:03.923063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018329
observed 4cd524722993f33cabbde30797e64670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.907876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018329/manifest.json
observed c95ce7a18b6eeaaca691723342930299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.891452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018329/publication.md
observed 933f66d7583736f3e2da830133d5896e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.873995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018329/publication.txt
observed f32940dbe3bdfe79797a343e6d0e2e57...
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.