OpenTechnical

OT-2026-000083430

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000083430) never changes.

Identity and time

Publication numberOT-2026-000083430 · never reused
Internal UUID01a0ae97-c964-7910-951b-96334a995027 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083430
StatusPUBLIC

Content hashes

Canonical text3b0e6ed2afdc7b12ce0d5dcd648fec6df67998d7f8cfdc68dec7cb1c594d5351
Markdown32e0bea3ba075e0320285361ad7a0a1b70e789d1a32a4bfa99776301ccf9a792
PDF
Publication page05c9504923d51a7d6f7a8e8b05438bf89c4be0b09611072a7a74c3434e91b49b
Manifest185aea463399f8a60e6da89c469a8b0b1a3f08134805219f1ae24dcf1917e22c

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
Signature3CfY7eW9bs9MrtakOuvB97BeA1bZSU5vVgfkPonQMmwe5qCWzWNZ7hkrDAsqjYJ9hTaBY2PCUn2e4ikOJ7//DQ==
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

2026-09-17T09:57:50.792712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083430
observed 05c9504923d51a7d6f7a8e8b05438bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.775400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083430/manifest.json
observed 185aea463399f8a60e6da89c469a8b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.758740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083430/publication.md
observed 32e0bea3ba075e0320285361ad7a0a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.741906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083430/publication.txt
observed 3b0e6ed2afdc7b12ce0d5dcd648fec6d...
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.