OpenTechnical

OT-2026-000078522

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000078522) never changes.

Identity and time

Publication numberOT-2026-000078522 · never reused
Internal UUID01a0ae95-7c29-7897-8ddb-4d03f178bd09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078522
StatusPUBLIC

Content hashes

Canonical text1c2bcffebb332ff75115cd47677c6b47c956f67cdd5cfd00892dfebe9b731b18
Markdown0b1ec44685777fd8ae40386b075d01dfbc6bd8e33b97a2df74e4075284b53d3a
PDF
Publication pagec20110fb3991ed4a8982b8ae3507bba3e7bef1c4391a59aeb54899c15816c941
Manifest88663e3a6ed0cbcc79a6fbae0bf08600f25f2ce7ab197f02f8cd38422b1ccf0c

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
SignatureTbEXCsuMWgBCE9QLJD0CP5s3fMCA6A3F9oe8pYaJvcXto+74IiiWOLZER3/03l7TFS48mI680rvV11RygQBoCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:32.380350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078522
observed c20110fb3991ed4a8982b8ae3507bba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.362565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078522/manifest.json
observed 88663e3a6ed0cbcc79a6fbae0bf08600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.342794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078522/publication.md
observed 0b1ec44685777fd8ae40386b075d01df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.324223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078522/publication.txt
observed 1c2bcffebb332ff75115cd47677c6b47...
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.