OpenTechnical

OT-2026-000050287

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000050287) never changes.

Identity and time

Publication numberOT-2026-000050287 · never reused
Internal UUID01a0ae82-5c46-7bc1-ac8f-2061bece33ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050287
StatusPUBLIC

Content hashes

Canonical text43b8584a2002d4e8792c297fc6fe0adc9484d9b52d881864964619356f68dc25
Markdowna114b75b6428cb12bded72b0850fbf80756e2f44990d416f2d411787162f0af9
PDF
Publication page3998cac326f5ac0b1caae1732d991853f2bf287f036a50e9d93e24ed45ac2dfb
Manifestad7c9c3a202b0fa9330e91f34fef99cb2bd20052c8633c4db994b2450820d91c

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
Signatureo6IKStJFrsQXwymWLET1lo0dQ/PPXsUrnPv68yBr9EN7Zw5y6CEACsBXebokFMt4yg5ci/yeCtfkJO7e6cnJAA==
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

2026-09-17T11:01:17.559165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050287
observed 3998cac326f5ac0b1caae1732d991853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.542854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050287/manifest.json
observed ad7c9c3a202b0fa9330e91f34fef99cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.523101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050287/publication.md
observed a114b75b6428cb12bded72b0850fbf80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.505300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050287/publication.txt
observed 43b8584a2002d4e8792c297fc6fe0adc...
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.