OpenTechnical

OT-2026-000065028

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000065028) never changes.

Identity and time

Publication numberOT-2026-000065028 · never reused
Internal UUID01a0ae8d-dec5-7856-b57d-121fa44fd877 · 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-2026-000065028
StatusPUBLIC

Content hashes

Canonical text293f43048d0f9068f2ff56306836506fd3855836485eeb00977405d79e07fba5
Markdown7310b66bc955060a83a8e8d2cdde2daf0256fcffa5406208be473cb8f520aa2a
PDF
Publication page4bde48684ed0ce6d2817f477c8a3c7006cc404441c5155d888d9f3fe39edfda4
Manifest9187631fc08d8ae72ccc69cd772e8de225bb79e40b7f45d2b85173e2cdc37c7f

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
SignatureB/kMaVoUDWWVqJEcMouuc1GUB+VTy84Ek4cEFw9sAf0nqboNkKesWAB6FTYfQLr7mrs9R8YQTZ395V7K9KlfCQ==
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

2026-09-17T10:35:59.802870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065028
observed 4bde48684ed0ce6d2817f477c8a3c700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:59.785098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065028/manifest.json
observed 9187631fc08d8ae72ccc69cd772e8de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:59.766708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065028/publication.md
observed 7310b66bc955060a83a8e8d2cdde2daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:59.746548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065028/publication.txt
observed 293f43048d0f9068f2ff56306836506f...
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.