OpenTechnical

OT-2026-000070848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000070848) never changes.

Identity and time

Publication numberOT-2026-000070848 · never reused
Internal UUID01a0ae91-8c2d-709d-a984-a9f20c88c4f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070848
StatusPUBLIC

Content hashes

Canonical textc60a15e4664209f83af81f7af08bdfa35ec99c0a337ef9a2dc446efecea6bd9e
Markdownb2715ea9f4a3f2b1e3497ae8004803f76defce0c222a68fad337ced8f98cb345
PDF
Publication page58b9718d7efe3e39af4de3c01a5740a8fdbbdf51dcdf46c20dcafc3745543b46
Manifesteaa22543bdeb79f42407b181cfacd31b8a5afb5fb92069d995a89a4d805467af

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
Signature+r+Y8Y3vXbLUCIIS2NZKnWU4SsdoqKlL0p8H1Kg9FXp2DN85X7tZcWj31j3WUwtwVAAQuP5uLf1de68Zu256Bw==
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

2026-09-17T10:25:38.880395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070848
observed 58b9718d7efe3e39af4de3c01a5740a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.863087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070848/manifest.json
observed eaa22543bdeb79f42407b181cfacd31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.845633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070848/publication.md
observed b2715ea9f4a3f2b1e3497ae8004803f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.829399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070848/publication.txt
observed c60a15e4664209f83af81f7af08bdfa3...
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.