OpenTechnical

OT-2026-000072656

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000072656) never changes.

Identity and time

Publication numberOT-2026-000072656 · never reused
Internal UUID01a0ae92-89d9-7ae2-9df7-1688e16356e9 · 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-2026-000072656
StatusPUBLIC

Content hashes

Canonical text6c52a9a083fd174b04893d2addedd867a49d59b8ebc08b4cb911e94d4c7f2f64
Markdown8358c170901ce91ca1576f04fdd0c6fb49b751cdd1375b89eb5267dfb77cd9f1
PDF
Publication page9883cee19c4ea0341100a7d5a4394d5f434742c5a9067a7325b502bf19a821bd
Manifestb64930d6941a4d0a9c6cc826cf3e125cd78bda8d9ef82f902cf3b702348988f2

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
SignaturenK1x7Xb4EHSHPoEu1EWs2q09avr1YKgCojsa4WtFAk7UTmGladAzxP6AdtQkB1PHojuqYb1QT7vwSk6Mx19ICA==
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

2026-09-17T10:22:31.380696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072656
observed 9883cee19c4ea0341100a7d5a4394d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.364163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072656/manifest.json
observed b64930d6941a4d0a9c6cc826cf3e125c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.347118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072656/publication.md
observed 8358c170901ce91ca1576f04fdd0c6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.329521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072656/publication.txt
observed 6c52a9a083fd174b04893d2addedd867...
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.