OpenTechnical

OT-2026-000064857

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000064857) never changes.

Identity and time

Publication numberOT-2026-000064857 · never reused
Internal UUID01a0ae8d-debc-7461-9d56-c1ba2b017e62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064857
StatusPUBLIC

Content hashes

Canonical text610ac800f201ddbeafcf2b85ec0e1fe263aad142cd609f9ace9b5981c7563f6c
Markdown387cee2d15e5147df71a24001f1594584ec613dd129927052502a8dca0cbcf76
PDF
Publication page869d3bb51b7f73b05d711ae76a9fa505c2ce150959a21ccfe3b18ac759bbea48
Manifest278237ee72335ccad55ac0dceaa3c6b00345f6077bf1793ae9fb88b74abb77fe

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
Signature3HUWq1dqGNzfnpvGgdG5P5M69NKrSdAPrzzvDsSHdnIG0gZnGsy1plQJr6k+/EdKhvAbtJZvzGcF8BV0/RmWAA==
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

2026-09-17T10:35:46.429176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064857
observed 869d3bb51b7f73b05d711ae76a9fa505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.410067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064857/manifest.json
observed 278237ee72335ccad55ac0dceaa3c6b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.392971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064857/publication.md
observed 387cee2d15e5147df71a24001f159458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.372802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064857/publication.txt
observed 610ac800f201ddbeafcf2b85ec0e1fe2...
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.