OpenTechnical

OT-2026-000072870

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000072870) never changes.

Identity and time

Publication numberOT-2026-000072870 · never reused
Internal UUID01a0ae92-89db-7312-b9b7-416e6365db02 · 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-2026-000072870
StatusPUBLIC

Content hashes

Canonical textc4ffe11f9f0338733341b7f0eaf66613281ba4780f94bb5a04b3ef518caf4bd9
Markdown711a086f1424a7c349904cbb3c4235d9232cbcead4f1989a9e1c16459a4db223
PDF
Publication pageeb4b0946cdd2bc725addfdd4fc007eeb4ecd0eb10a22239b6e1440b2a83ef61b
Manifest9a137f101060eb638f7cf7b11e2a4b6847c0780b6570bd2840f0d86ec11acf49

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
SignaturewwhhGsbcz3whw8nXrVAJ4oNnyA5prjRmcRtlXIBJNXPeH0UiNrMIhnV/jXgBoUdmRizWFELyf7n72IxzyhfyDQ==
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

2026-09-17T10:22:47.852085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072870
observed eb4b0946cdd2bc725addfdd4fc007eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.834414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072870/manifest.json
observed 9a137f101060eb638f7cf7b11e2a4b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.814613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072870/publication.md
observed 711a086f1424a7c349904cbb3c4235d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.796498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072870/publication.txt
observed c4ffe11f9f0338733341b7f0eaf66613...
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.