OpenTechnical

OT-2026-000089060

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000089060) never changes.

Identity and time

Publication numberOT-2026-000089060 · never reused
Internal UUID01a0ae9b-daff-77f4-a1eb-2caf734afe99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089060
StatusPUBLIC

Content hashes

Canonical text246fc1103e1a62c9e9e37f10bdbde0ae04c707fbf7da6c52b64de240852309bb
Markdown2858bc2eb4c057581e4fcee1c8ce27bd37e99f7313abda66b069283827685d0c
PDF
Publication page545f46a240e68e3790ee00bc72594113e4c930d05825078c42ceffc85cb93cd5
Manifestd78d0643c0a6a1c381ce33ecf5f6e7ccfa2d35790bd9a1407d4fdf58b8a9899b

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
SignatureZcC58nciSKrrZVpQUtqjHcC4MSKT7SHLJ/m9ysmQ85wksTr6MTGayiGu6/to+95C63hT65aPo6mayJmSKSciBw==
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

2026-09-17T09:46:57.575677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089060
observed 545f46a240e68e3790ee00bc72594113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.559028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089060/manifest.json
observed d78d0643c0a6a1c381ce33ecf5f6e7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.473857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089060/publication.md
observed 2858bc2eb4c057581e4fcee1c8ce27bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.392596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089060/publication.txt
observed 246fc1103e1a62c9e9e37f10bdbde0ae...
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.