OpenTechnical

OT-2026-000076638

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000076638) never changes.

Identity and time

Publication numberOT-2026-000076638 · never reused
Internal UUID01a0ae94-b06e-7c94-a180-4f72559b1aea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076638
StatusPUBLIC

Content hashes

Canonical text45e8dfacb0f99df8b5289e320bb852356d1ee980bb997fbf714fe356bce775c7
Markdowna49a609e260a75de0e91a3caaa7034d7c986144a7db8696faf2a70e571dc874e
PDF
Publication page3cae161f0d04f262bee1ee8f0db824f1ce649e3a53599f446358fe8b4d3c6b09
Manifest9acd26e2be98196c9060ad26e2639188e440e6460c1baf9b14ac90cd12394094

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
Signature/4lpbN6UlHMBjbyjhi/IUU2Ol7L7obFRxTPOndhMIblJL5K61UFVUxLA188cKpkJD4t4UJanCjeCHgPoehalBA==
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

2026-09-17T10:09:22.446403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076638
observed 3cae161f0d04f262bee1ee8f0db824f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.426789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076638/manifest.json
observed 9acd26e2be98196c9060ad26e2639188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.408405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076638/publication.md
observed a49a609e260a75de0e91a3caaa7034d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.390067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076638/publication.txt
observed 45e8dfacb0f99df8b5289e320bb85235...
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.