OpenTechnical

OT-2026-000089453

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold 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-2026-000089453) never changes.

Identity and time

Publication numberOT-2026-000089453 · never reused
Internal UUID01a0ae9b-db02-7d42-99b6-666eceb50d1a · 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-2026-000089453
StatusPUBLIC

Content hashes

Canonical text1ee44ef063b590fe44aefc27396706b125acf0ca1a323bb43a88bf9a9d24bb5e
Markdownc7002966576dd74402989a64e3eeba20d1a5d200ba25689f77a78a0494dfcec1
PDF
Publication page823dcac6edd7fba7489663d97e60b5f44bcf73143941fbb951c9d3c0e42e6bc7
Manifest203b11544108b028dbd4741a876b286370612cf1bc6d6f0e0fab6d15e6b29512

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
SignatureDOqSTypBJrOC9x58TI1g+kmqqIM+JtqqKnuRjTQbVrpEq2xsg82tMXoYb80S7vmP+88r8klZMeXyMAe8PmTrBw==
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

2026-09-17T09:47:36.121499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089453
observed 823dcac6edd7fba7489663d97e60b5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.104134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089453/manifest.json
observed 203b11544108b028dbd4741a876b2863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.086008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089453/publication.md
observed c7002966576dd74402989a64e3eeba20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.068523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089453/publication.txt
observed 1ee44ef063b590fe44aefc27396706b1...
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.