OpenTechnical

OT-2026-000082774

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented 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-2026-000082774) never changes.

Identity and time

Publication numberOT-2026-000082774 · never reused
Internal UUID01a0ae97-8cc9-7a37-ac81-2f0329d23af8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082774
StatusPUBLIC

Content hashes

Canonical textde9d65b80f6706d9890fa528bf62b184a849dd85dd82dd1c69fc7df87c0fdee3
Markdown8ccb402cf3821a1059d1740a6c8fa5951407de0abc61b42d6f9403781bffba71
PDF
Publication paged0f6840f004cbce5b34292ddf62d02189887f58146d91ee384318763991d7184
Manifest822d0739932cbbf13b4b20b952a6f0bc970b904f3fd5436e12a5e4d90a92dd46

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
Signature9HFunsAt5h1VDLyNRhIH4e8aXH4k5E0rCro3h124wRmUUUtvewgtdS+snUpSnI7Pn9dT1j6kmPBo98I/yzkSDg==
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

2026-09-17T09:58:21.697625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082774
observed d0f6840f004cbce5b34292ddf62d0218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.680203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082774/manifest.json
observed 822d0739932cbbf13b4b20b952a6f0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.662526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082774/publication.md
observed 8ccb402cf3821a1059d1740a6c8fa595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.644212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082774/publication.txt
observed de9d65b80f6706d9890fa528bf62b184...
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.