OpenTechnical

OT-2026-000102756

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000102756) never changes.

Identity and time

Publication numberOT-2026-000102756 · never reused
Internal UUID01a0aea4-858c-77f4-839a-c1af7a87a18b · 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-2026-000102756
StatusPUBLIC

Content hashes

Canonical textb3c44f289abce5dccf9c69d58e28c380c06607b958114bcd274578594d388e00
Markdown7b6db355575c2e98753ecb7b23f567527a462ff2e62c3db06b68b789592eeb6e
PDF
Publication page4d748c047278b2a3e3a25ebe3a2a9cdf3ea87185d137526d8dfa4fdd2539d19e
Manifest3c7628e19fad27ec0d9b6b628248d3c8dbd805110e703b2c85bb6abb67de4afd

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
SignatureJZ+T2A8YZJ1ACOriPiQEbzzaUPxEjNxUeIGVYUYWfYAN6ZiwHx9TokIFlx0QkW9ThDVm+r+dkx7W88KCpT2wCA==
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

2026-09-17T09:24:16.774775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102756
observed 4d748c047278b2a3e3a25ebe3a2a9cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:16.757032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102756/manifest.json
observed 3c7628e19fad27ec0d9b6b628248d3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:16.738980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102756/publication.md
observed 7b6db355575c2e98753ecb7b23f56752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:16.721356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102756/publication.txt
observed b3c44f289abce5dccf9c69d58e28c380...
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.