OpenTechnical

OT-2026-000076244

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000076244) never changes.

Identity and time

Publication numberOT-2026-000076244 · never reused
Internal UUID01a0ae94-6a6f-79c7-b489-98f0f4c68d5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076244
StatusPUBLIC

Content hashes

Canonical text31320d77421d5c5b3f78d51565fb5b9ba75f91783c739c8968070e7ac14b96f8
Markdowncf497818dc4c4dfe55e26c706acc039640f1f68eb40f443f8eda55e4bdc28b2f
PDF
Publication page87caf948b0cd7804e4df13e9f164ecfbec6b4ff9c5c5ca0872748cb438fd8784
Manifeste0af47fbcd91bbe07f006d6fedecf5fb89a56068709bc49498ffad9329dae102

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
Signature7u+/1B+COqoqQjsauKK7y4ihE8uMiF/n62I8IALks8i4ZPm5u4/0tpqLFPhKGGfSQmH5PmtJicYC2CRzUVykAw==
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

2026-09-17T10:11:44.517612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076244
observed 87caf948b0cd7804e4df13e9f164ecfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:44.462460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076244/manifest.json
observed e0af47fbcd91bbe07f006d6fedecf5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:44.311659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076244/publication.md
observed cf497818dc4c4dfe55e26c706acc0396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:44.291470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076244/publication.txt
observed 31320d77421d5c5b3f78d51565fb5b9b...
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.