OpenTechnical

OT-2026-000072158

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000072158) never changes.

Identity and time

Publication numberOT-2026-000072158 · never reused
Internal UUID01a0ae92-47c2-7205-8726-372241e0cbf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072158
StatusPUBLIC

Content hashes

Canonical text7de9fd6359fab42636d0a93d9555b355a656c54a194a3e4776834f5f1174fa4e
Markdownb027874a226c0e097608c28855509a2c18033f1aeb2de30354c8faa311a3b8d4
PDF
Publication pagee7dc62aac4f9e6be387552ba0bf4c6af47781e466d6d81439885338ec0be9073
Manifeste2c6078f15397b1ed1da7e14c60286674f1fdd017336343c72259a98d5be975e

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
SignatureFX5x+nqD6+hJ8NGfj9rh+l5nhevHAnj/z5a2hmOMlu0Kky3UdAB6a5eCbLtjdh836z1FXs//8hPUMEdSbUi2CQ==
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

2026-09-17T10:23:15.365843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072158
observed e7dc62aac4f9e6be387552ba0bf4c6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.348601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072158/manifest.json
observed e2c6078f15397b1ed1da7e14c6028667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.331186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072158/publication.md
observed b027874a226c0e097608c28855509a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.311391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072158/publication.txt
observed 7de9fd6359fab42636d0a93d9555b355...
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.