OpenTechnical

OT-2026-000090999

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090999) never changes.

Identity and time

Publication numberOT-2026-000090999 · never reused
Internal UUID01a0ae9c-c011-7a1a-ac47-e5c509a8539f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090999
StatusPUBLIC

Content hashes

Canonical text8ee8b5aa8e4bfef5b5d485a0d1dfe4c8d1cabbbea1d1791c2bc36558a4d8fb9b
Markdownac54b2f913eff256e0d924f6b0ad6cedc82c7c7301bdde278a575f7240580e62
PDF
Publication page11bab5998bef273f5f785ad070a63cf0f83164cf6c4802bf83a3bcd986e010e6
Manifesta2d031483a67492cd9b85669c4ed7dae79e6a204a2703ab57002ca6568ca426b

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
SignatureacNjoUYQ3uuSnP+N5XMl0Lf2+LeVCvS33NODWve7qGLK8pLd+y8v9ZOuX+pz4OEXJvXA/XrIaK2FdDKmvkAvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:13.896337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090999
observed 11bab5998bef273f5f785ad070a63cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.877136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090999/manifest.json
observed a2d031483a67492cd9b85669c4ed7dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.857455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090999/publication.md
observed ac54b2f913eff256e0d924f6b0ad6ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.838121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090999/publication.txt
observed 8ee8b5aa8e4bfef5b5d485a0d1dfe4c8...
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.