OpenTechnical

OT-2026-000075306

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075306) never changes.

Identity and time

Publication numberOT-2026-000075306 · never reused
Internal UUID01a0ae93-f200-720c-901d-0cf2888fb53e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075306
StatusPUBLIC

Content hashes

Canonical texte1c6ff05c99d2202ee9add40e3a4f4d741d140cff862c1e4a055c538a0203d99
Markdownc1ff92dc17cf256d473c2a47672207e22bf512d6df96c59f976d9b4bda852a54
PDF
Publication pagee1de4c8f969f44c9043dfac8ee4630bd1c5424d529014dba88e520680b875e07
Manifest15d7933051c01fa556301c84eaa91879814abf508ef3378fe6ad0658ae737a5a

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
Signature2Abbxtx52txrWLJdRnqHC/WH+UsOM2RqjUSDSOakJJp3R6EdM/qmeDfXOcXXJ698hZese0K9k7+E/L1W/2TPAQ==
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

2026-09-17T10:17:06.513010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075306
observed e1de4c8f969f44c9043dfac8ee4630bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:06.495981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075306/manifest.json
observed 15d7933051c01fa556301c84eaa91879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:06.475970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075306/publication.md
observed c1ff92dc17cf256d473c2a47672207e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:06.457212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075306/publication.txt
observed e1c6ff05c99d2202ee9add40e3a4f4d7...
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.