OpenTechnical

OT-2026-000018272

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000018272) never changes.

Identity and time

Publication numberOT-2026-000018272 · never reused
Internal UUID01a0ae6e-b488-7baa-92d2-d2a47dd9738e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018272
StatusPUBLIC

Content hashes

Canonical text035f65d7b406b4a1d773b96db9ebb0eaf1d912f6956b913c9b667fe3ee896296
Markdown07853f7b6cea3ff542c6a40a13f1f81952d872a65e1e33b3172186b93c52e66b
PDF
Publication page6e5f32417ee982ea93d86a7445fa1358199582afa0677faee38936170c208ae0
Manifestc5428dadb8d247396b5b489a52ed8500f342f82af70127796c76aca98091d8b9

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
SignatureYIbYUlFFYEnVinlV0g8Z32vzao47uDYUZ5AfNjAEkFgHsXvRcY3S6YcJODAo7qm0i80F3bBQU7pQ4gvtWmTBDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:00:07.250233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018272
observed 6e5f32417ee982ea93d86a7445fa1358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.229001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018272/manifest.json
observed c5428dadb8d247396b5b489a52ed8500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.196946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018272/publication.md
observed 07853f7b6cea3ff542c6a40a13f1f819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.177817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018272/publication.txt
observed 035f65d7b406b4a1d773b96db9ebb0ea...
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.