OpenTechnical

OT-2026-000029894

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000029894) never changes.

Identity and time

Publication numberOT-2026-000029894 · never reused
Internal UUID01a0ae73-ac48-7a7d-af7f-ecebf91a824e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029894
StatusPUBLIC

Content hashes

Canonical texte30058bcf38ff62d0e91a1b06a21ab198bbc60106fa39830c3fe0a03874014ce
Markdowncd1f81019046f6e76dcbc01841b41fca8adcb253746f3e797cdcaf93332dbfbb
PDF
Publication page0fb23dbb863815e95feab46d909a41905af28622da57513b9ee7176bb7dee2e5
Manifest949313a2cf2bfdec4a97fd3b75c332ee9b7843758a9a5df311d57cda0a9a6ad0

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
Signature9Sbmb5pKqxbKTXQH39yYlO/UzaN625dhHZKA+cmEa+b9SmKiQoxjSPGLwcKANQ2zVAkg8Z5Hl5z8sxhKFdvTDw==
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

2026-09-17T11:38:35.645990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029894
observed 0fb23dbb863815e95feab46d909a4190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.627975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029894/manifest.json
observed 949313a2cf2bfdec4a97fd3b75c332ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.607259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029894/publication.md
observed cd1f81019046f6e76dcbc01841b41fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.589482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029894/publication.txt
observed e30058bcf38ff62d0e91a1b06a21ab19...
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.