OpenTechnical

OT-2026-000076152

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000076152) never changes.

Identity and time

Publication numberOT-2026-000076152 · never reused
Internal UUID01a0ae94-6a6f-7647-ae30-5b9149fce222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076152
StatusPUBLIC

Content hashes

Canonical text94b0194c29de62ad0216c38e567384b3d3a0f5bc158b05e34dae65e527c08706
Markdownc8e59ae984b593e27f74871c1d5c245ccba60d6795ebb411eb31a698c94f413f
PDF
Publication page0877e70142ca03c6c3511c8d084524e3ee1318309df3cd1a826eccec43a4ee94
Manifest56ec3b134a2ed78d09ab1aa798362ea3c938ab8f6c4435560868f1c400b0b55f

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
SignatureH+LProAiuoqiK2Nlw3UzxcKdXt2snn7ySru9JezcZ/HEH35AOgERp74bwaJ7wrfrtbOU1Wekn/VBAiMTEZfRAA==
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

2026-09-17T10:11:12.735437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076152
observed 0877e70142ca03c6c3511c8d084524e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.715501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076152/manifest.json
observed 56ec3b134a2ed78d09ab1aa798362ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.695599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076152/publication.md
observed c8e59ae984b593e27f74871c1d5c245c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.554606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076152/publication.txt
observed 94b0194c29de62ad0216c38e567384b3...
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.