OpenTechnical

OT-2026-000074508

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000074508) never changes.

Identity and time

Publication numberOT-2026-000074508 · never reused
Internal UUID01a0ae93-717a-77ed-960b-7fdba4bd6aae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074508
StatusPUBLIC

Content hashes

Canonical text11da274b2af88ca6f76d4c1087049c99b595850c4afe6d6ef85236b8bf46aad2
Markdowncb5f645ba0bd8c5a7b766943c1599e71eaf9099fab69ca74def933eeb71f46f7
PDF
Publication pageb3defa20d3e1b7aa9ba2190ab54ddb54ec2bfecf00c6f0fbf25a16d33eba9ade
Manifest35deb84f39d4383a3cc00d7a7fd249c22638f616d4c11bdb3ec2cfc5c5ab98e7

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
SignatureLfwH2GN/bMOAb7oIFbVxIc6aNUI97EP/Aa4xFznnWPoYrxsp7BEvCZhw238mCxh31Cnzae1lSj6D8nzr6ZYSBA==
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

2026-09-17T10:19:28.869324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074508
observed b3defa20d3e1b7aa9ba2190ab54ddb54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.847874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074508/manifest.json
observed 35deb84f39d4383a3cc00d7a7fd249c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.829415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074508/publication.md
observed cb5f645ba0bd8c5a7b766943c1599e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.810124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074508/publication.txt
observed 11da274b2af88ca6f76d4c1087049c99...
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.