OpenTechnical

OT-2026-000072758

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000072758) never changes.

Identity and time

Publication numberOT-2026-000072758 · never reused
Internal UUID01a0ae92-89da-7c32-8c32-01e1cfe785cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072758
StatusPUBLIC

Content hashes

Canonical text33c8929656b459c4379a6463ad9f117dfa556279d009d271a06142663da14547
Markdownadbb7c3759b1f540a68c056fb85e075faa445aca29ca708f47fd55d5509f5997
PDF
Publication pageae237e7682ac36f98c8e3414da29bde2c9c16959113a390aa02eb2e9814828db
Manifest8bbd334f093d7fb7907aa9f8e88881d984579202daadff3fd5122b0ec2fe3543

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
Signaturen5HGyqPEqwcV1yFDfkJ1250Hf0VN/SO8jBoOevL7Gf57Q/dRO1iKUnpHh0Um2U2/GgZmV6aQDUUVhy2pVDI6CA==
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

2026-09-17T10:22:39.841328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072758
observed ae237e7682ac36f98c8e3414da29bde2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.824036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072758/manifest.json
observed 8bbd334f093d7fb7907aa9f8e88881d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.807056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072758/publication.md
observed adbb7c3759b1f540a68c056fb85e075f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.791063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072758/publication.txt
observed 33c8929656b459c4379a6463ad9f117d...
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.