OpenTechnical

OT-2026-000074735

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000074735) never changes.

Identity and time

Publication numberOT-2026-000074735 · never reused
Internal UUID01a0ae93-ac2b-7ba3-9f22-0d36dd6910d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074735
StatusPUBLIC

Content hashes

Canonical text5eb96e3f887b60f9097e5dbc86763bc65a52838f0e08577db753724c06668fb4
Markdowna12f8f85a5b8579231ccc0ee5fe5ebb40cae0b0214e65c1eeb1fb250d75df485
PDF
Publication pagee59ca375c0831aa9c3f5a9c60ab36a71bc96e33841084717d968c347319d9635
Manifestb39be610131014abf5b24610772fd2cd7faaeedd264bf0f8d495d15d4cb03b71

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
SignatureEc0lGjq3kzSPoEe5V0tzhjS6AHR9lHXniD38ApsX2zMYWDUfYx9qd1dG3eTRhjVQMd8rsoyGQtVGNhu3+qclAg==
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

2026-09-17T10:18:20.199401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074735
observed e59ca375c0831aa9c3f5a9c60ab36a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:20.183434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074735/manifest.json
observed b39be610131014abf5b24610772fd2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:20.163520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074735/publication.md
observed a12f8f85a5b8579231ccc0ee5fe5ebb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:20.143831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074735/publication.txt
observed 5eb96e3f887b60f9097e5dbc86763bc6...
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.