OpenTechnical

OT-2026-000099825

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000099825) never changes.

Identity and time

Publication numberOT-2026-000099825 · never reused
Internal UUID01a0aea2-c978-76ed-9aef-9ffb55c275c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099825
StatusPUBLIC

Content hashes

Canonical texte2a43fb867e68e5d83da10924d833e6bbaa2a75e6cf5aac418044375b90a131d
Markdown1ecb58f2abacee1593e15ddf206867b2ce3d1fdc4b0cd2d8b4217d3bcac66a02
PDF
Publication page3d5c0984c151532cad5c3802c7abe2e45ccb4e7cba198d9b0d2e36f1188a0fd9
Manifestce06fce8dce15d29c561eb737e0e09d0bf2abda9b7d1f6da01ac2cf4de0ab550

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
Signaturef60aAxaEuNnJUyZn0rg5klyMIrECOk0mZBOpKGVse1UO/Czw4Kxh3DeolCcGENnHo3+fmOTmip8QB1EYQiykDA==
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

2026-09-17T09:29:51.773484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099825
observed 3d5c0984c151532cad5c3802c7abe2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.756427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099825/manifest.json
observed ce06fce8dce15d29c561eb737e0e09d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.739521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099825/publication.md
observed 1ecb58f2abacee1593e15ddf206867b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.723861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099825/publication.txt
observed e2a43fb867e68e5d83da10924d833e6b...
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.