OpenTechnical

OT-2026-000065185

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000065185) never changes.

Identity and time

Publication numberOT-2026-000065185 · never reused
Internal UUID01a0ae8e-1df9-720b-b8cd-643b3c2504ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065185
StatusPUBLIC

Content hashes

Canonical text7b45d490c2a670163f3226fd22eafcecb4f5353fea58a9271139adbea490279a
Markdown3d317c6c7896efa08c694fb492fa09f5d1aebb8c445f46885fe89012e0ef253f
PDF
Publication pageb5b65027d3e954f80d83d175e56f2094bd794aac075f02e4bc6780bd3102facc
Manifesta1636e1e544a78f41ca5ae68335bab0914ad93990b8c3ac335c94a675bf14ef1

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
Signaturecj1uogsQdaqeWBTpPThQ8/ngU2/yXeALuS1wL5dvSsMgJ+pst2JINhcpv4n2k+FOQ9qUthlcBuAZPHdqExj2BA==
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

2026-09-17T10:35:01.811577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065185
observed b5b65027d3e954f80d83d175e56f2094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:01.792287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065185/manifest.json
observed a1636e1e544a78f41ca5ae68335bab09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:01.772791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065185/publication.md
observed 3d317c6c7896efa08c694fb492fa09f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:01.755910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065185/publication.txt
observed 7b45d490c2a670163f3226fd22eafcec...
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.