OpenTechnical

OT-2026-000102631

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off 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-2026-000102631) never changes.

Identity and time

Publication numberOT-2026-000102631 · never reused
Internal UUID01a0aea4-858b-79ee-88c5-5d181e8906e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102631
StatusPUBLIC

Content hashes

Canonical textcc48108190f7549385ba3ce27ec0a7d2c637b567d1255619adee8e8fa9141079
Markdownf3437cf129a0d5ed7d6d6aea3f94539626cc1a597c569721cd542a874849c601
PDF
Publication pagecca7220d28226b586caafd9288c55a42978d0d68962b4bf9680d3f0c7047e705
Manifest8fefba329cd7b92dc31445e1ab1fa25d8ddd1757a2d4cdcdffe8612e3ae9ee94

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
SignaturesYnbHIZ/u23WHohdTaG4P2jQjQt9CdQtawolw70mv3VLNXMXh7HCfa1GNaomIxwoVp3OFeeAsekd0QN4/GAFBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:07.542803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102631
observed cca7220d28226b586caafd9288c55a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.524040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102631/manifest.json
observed 8fefba329cd7b92dc31445e1ab1fa25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.505591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102631/publication.md
observed f3437cf129a0d5ed7d6d6aea3f945396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.488982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102631/publication.txt
observed cc48108190f7549385ba3ce27ec0a7d2...
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.