OpenTechnical

OT-2026-000079677

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, sustained blow-off 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-2026-000079677) never changes.

Identity and time

Publication numberOT-2026-000079677 · never reused
Internal UUID01a0ae96-4375-7958-8fb3-2db83accd6da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079677
StatusPUBLIC

Content hashes

Canonical texta1883501f82bd2d3ab4a7b09dc271dccb65669cd498875755385d4d60baf1527
Markdown04262971e6c872f79fcd21cefe591b09f366c7ea880144657539919466410c71
PDF
Publication page67e8eeec98c59c9b562d61cdbb8433e898f2a4946abc935ea0713ac732ab493e
Manifestb30cdad2b03d5e143828e3e62efb314e9fc36978b684527caa6ffd1371c9c2cb

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
Signature06jv/ufU0q8RB1dq5FwmDcQsTmBP2hjoU2q4WDEg82jOKv0lh9ttRjfBc6Rel5QIDf+DDzzLKB2/LQo9lOAoCw==
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

2026-09-17T10:03:27.132897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079677
observed 67e8eeec98c59c9b562d61cdbb8433e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.099452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079677/manifest.json
observed b30cdad2b03d5e143828e3e62efb314e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.082942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079677/publication.md
observed 04262971e6c872f79fcd21cefe591b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.065140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079677/publication.txt
observed a1883501f82bd2d3ab4a7b09dc271dcc...
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.