OpenTechnical

OT-2026-000054829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000054829) never changes.

Identity and time

Publication numberOT-2026-000054829 · never reused
Internal UUID01a0ae86-1285-762f-8998-674de6ef86e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054829
StatusPUBLIC

Content hashes

Canonical textf75c7ab2a5750191eca09d220742195fe4f3b629cc7ccc727cc3ec34995f9b99
Markdowncb689373ee7727c38e4c0fab797ee0c72bf0b345445cca9ecb9d86ddfca55a67
PDF
Publication page35d8d923e6eaf74d099d9be5d4de94febb784190da29783636560dec5ae020ba
Manifeste9e02e773ba762b458091f7fbef38649c342ededdfaf9c9e64e262865337bbcf

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
SignaturefImwHCInuaFyVfzSJExeN9ltyVcim1nZjQxtxZAjOnAeMbzZ7Tsw11LxWKqHB9eoJ9DAD43FnM48HrkKf+4yDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:02.332270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054829
observed 35d8d923e6eaf74d099d9be5d4de94fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.314215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054829/manifest.json
observed e9e02e773ba762b458091f7fbef38649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.295693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054829/publication.md
observed cb689373ee7727c38e4c0fab797ee0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.277774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054829/publication.txt
observed f75c7ab2a5750191eca09d220742195f...
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.