OpenTechnical

OT-2026-000072062

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000072062) never changes.

Identity and time

Publication numberOT-2026-000072062 · never reused
Internal UUID01a0ae92-47c1-787b-ad54-05c59f9aee9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072062
StatusPUBLIC

Content hashes

Canonical text6160995bbea9dcd595937bd700512cb905c2f42d5508955e966979731e8a6647
Markdown771f558532aee628a61432d7a05fb85d1d9d1f350e08510f14eddc793566b0b0
PDF
Publication pagea938102e665cd49e03f71cd9dbf605d1091f509b4c344b2375361621192e35b0
Manifeste7953843bef776920e5752c909447b671b7c2f7190e0babdebfb204ef8a583c4

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
Signature8UFLD74JPLPBqq9vFg21SBz3CU3L6E43U27d5+z2a77V/cvfqP9VNemTu4swqjXncC9OpFz2LtSbXRUUwgYvDw==
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

2026-09-17T10:23:08.053285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072062
observed a938102e665cd49e03f71cd9dbf605d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.037644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072062/manifest.json
observed e7953843bef776920e5752c909447b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.021251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072062/publication.md
observed 771f558532aee628a61432d7a05fb85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.004915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072062/publication.txt
observed 6160995bbea9dcd595937bd700512cb9...
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.