OpenTechnical

OT-2026-000089345

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold 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-2026-000089345) never changes.

Identity and time

Publication numberOT-2026-000089345 · never reused
Internal UUID01a0ae9b-db01-7c84-ac12-a4dd8902d571 · 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-2026-000089345
StatusPUBLIC

Content hashes

Canonical textd3d8693ea8ce008ed06a5c5e433360d065eae5dd6b4f22604014d29d13de418f
Markdownb1cca6b27fb16d6c8e970760029db6fd8af773087d4f4c8fd896390cebc64e02
PDF
Publication page641d348ee3a65398546ddca23d4154a0e2771b6eb4c5835146137548dc31b85a
Manifestf1a008e9f331b2c960a8ed4058af4592d42fcd882600d66284b695da692c2361

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
SignaturelgKHQwd17ZejKnMicS54d+xFEhPz0cZcdvy3VxxKdyvWhMXWIKTxr2vWqrP44WtEgGa4SL5W4QrMu68q+CZtAw==
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

2026-09-17T09:47:23.385367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089345
observed 641d348ee3a65398546ddca23d4154a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.368279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089345/manifest.json
observed f1a008e9f331b2c960a8ed4058af4592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.350282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089345/publication.md
observed b1cca6b27fb16d6c8e970760029db6fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.333381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089345/publication.txt
observed d3d8693ea8ce008ed06a5c5e433360d0...
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.