OpenTechnical

OT-2026-000093283

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000093283) never changes.

Identity and time

Publication numberOT-2026-000093283 · never reused
Internal UUID01a0ae9e-0911-772d-9c4b-210bbf86ef64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093283
StatusPUBLIC

Content hashes

Canonical text78d07b5a7b48429c3aa95d1e53ea67ff486ec1cc6842220e8ab2ecfe8d7acd2c
Markdown518fad94910c310511d605790dd0a41f8a38f4e3cdbd72cd66b4d2d388ee777e
PDF
Publication pageac93790d223322e93481c3ab7051da45b1a99dec018ede266c290ed6532adad7
Manifesta91e2039c1cb1d6010c7626bd988ad084f1bdc7c8576648bc361412077a4b59d

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+tyM8b2qX0DfPKwFWQCJMvJkKyZ+lMnz+N2cY0AvUyOMp1bBdn45A2jW4eEieDKVP5CgK44KH02y3DrN1fHADQ==
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

2026-09-17T09:40:39.347147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093283
observed ac93790d223322e93481c3ab7051da45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.327874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093283/manifest.json
observed a91e2039c1cb1d6010c7626bd988ad08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.311016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093283/publication.md
observed 518fad94910c310511d605790dd0a41f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.293915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093283/publication.txt
observed 78d07b5a7b48429c3aa95d1e53ea67ff...
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.