OpenTechnical

OT-2026-000072658

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000072658) never changes.

Identity and time

Publication numberOT-2026-000072658 · never reused
Internal UUID01a0ae92-89d9-7916-b4f4-3aa0a8b99555 · 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-2026-000072658
StatusPUBLIC

Content hashes

Canonical textca0b4a8d33e137d2ca51852c04d7930d26feaf871440b03dbe27988a2d66dc67
Markdown39633fbc386f345f70c629104241107882329ddda887bebba3901aca189e3316
PDF
Publication page2d0aed7b7017f7fea7df862a41fa2e37c482c31fcc2e0a4e4ca883133ec258b4
Manifest2259db004f87e622c12f1de2d0e3b825990b392f706ac89b32c0791d9c8ca88d

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
SignatureB/qX8lxKoWB94LDXpzXCWTssPQlalvSWd7iVPlUkiHUbTBLKlDePSN2PaQboA2y+VOhAtZAqptddaAR+0RdwAA==
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

2026-09-17T10:22:30.457536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072658
observed 2d0aed7b7017f7fea7df862a41fa2e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.439165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072658/manifest.json
observed 2259db004f87e622c12f1de2d0e3b825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.421653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072658/publication.md
observed 39633fbc386f345f70c6291042411078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.403564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072658/publication.txt
observed ca0b4a8d33e137d2ca51852c04d7930d...
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.