OpenTechnical

OT-2026-000010081

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, vented before set-down

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-2026-000010081) never changes.

Identity and time

Publication numberOT-2026-000010081 · never reused
Internal UUID01a0ae6b-cb7a-7ee8-af65-120390d21ad7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010081
StatusPUBLIC

Content hashes

Canonical text19c0e8578fe280afdf6b041cf9f1b8ff72256c9eb48e554fa0a55f530d4039c9
Markdown87bd1363559cd1e1b7f76b371f666ba4ba65b0fc6a5e055c1f9da1c6d399607c
PDF
Publication pagea84e9549393fb1c932d7bd45e71dc20ef23a55289fa4a8cdcf2013ef0d22c4f1
Manifest94f1d6900ff02f6344f90508c69dbbc7f464d80fd45bf0750e5feb30ba0c3e51

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
Signature5mZWiJa2WrJrEUP/5dP2Cm6s6n6VnoggCRGq4/v0p/GPbSUFCdyGa+uYqli+JMnEbhvn+LESQJvbq2sdv8G+Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:16:09.699592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010081
observed a84e9549393fb1c932d7bd45e71dc20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.678861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010081/manifest.json
observed 94f1d6900ff02f6344f90508c69dbbc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.656704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010081/publication.md
observed 87bd1363559cd1e1b7f76b371f666ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.634544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010081/publication.txt
observed 19c0e8578fe280afdf6b041cf9f1b8ff...
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.