OpenTechnical

OT-2026-000100145

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100145) never changes.

Identity and time

Publication numberOT-2026-000100145 · never reused
Internal UUID01a0aea3-3052-7075-a5fb-526275bb191f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100145
StatusPUBLIC

Content hashes

Canonical text0e8c160c08494d550d363872887dec40d923092e0eeabb6c1b616a9ca9f8260e
Markdownc6ad758a086b802771cdbc152f8db6aa3351a0d75f75c74c61ba9d7030cf9e5f
PDF
Publication page25866123d3638471cf7d80b868fd88a1336f2b76a4fc5f07be090bef8dbe8788
Manifest8580ccd736c06affadc4c7530af124021833132dd73308e8dc32c3b999295f45

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
Signature6QziBs+u/vzwGYL+sqbx5EzmXU/UF5GQWxA4vmpjkN849kcRbl8o4aDaIgEpacZ8iWfCbmeJjeoi9eaKEDQFAA==
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

2026-09-17T09:27:50.999246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100145
observed 25866123d3638471cf7d80b868fd88a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.980374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100145/manifest.json
observed 8580ccd736c06affadc4c7530af12402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.960244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100145/publication.md
observed c6ad758a086b802771cdbc152f8db6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.938371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100145/publication.txt
observed 0e8c160c08494d550d363872887dec40...
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.