OpenTechnical

OT-2026-000088284

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000088284) never changes.

Identity and time

Publication numberOT-2026-000088284 · never reused
Internal UUID01a0ae9b-5d26-748e-9379-a19cd80313a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088284
StatusPUBLIC

Content hashes

Canonical text1d401bc65a3061e606bf804e0d6f3d297b6f94309ea0fc6e3fd762498e0ebcf1
Markdownb01efda0431ce5f684b8ce1f6414ec1c9885f8ef2e051b0374d669b261b37ab4
PDF
Publication pageb70175cfccdc2d03284f47376c6474ca1b6ed1cbb6393f5c15232145caeb7e03
Manifestff742f88994add43b502fb780126e4ef46826d15059bc1b5412b5ccca93232d3

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
SignatureUEUakkAW9cHweTuCfc5WpWH8Gfbys0bLTkuBNYzmxkXd31CecsED5XteFT2ydP1syOr++KRqx40mIPR7yU4XCw==
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

2026-09-17T09:48:36.853538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088284
observed b70175cfccdc2d03284f47376c6474ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.836100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088284/manifest.json
observed ff742f88994add43b502fb780126e4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.817794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088284/publication.md
observed b01efda0431ce5f684b8ce1f6414ec1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.797718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088284/publication.txt
observed 1d401bc65a3061e606bf804e0d6f3d29...
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.