OpenTechnical

OT-2026-000085017

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000085017) never changes.

Identity and time

Publication numberOT-2026-000085017 · never reused
Internal UUID01a0ae99-43b7-7de1-af3d-b2801aef75b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085017
StatusPUBLIC

Content hashes

Canonical text4819e01a7c75041aa66b246aa2b2ff9ab761e93ff83e36a1560eae02eb2d922a
Markdownfb15f7e3b7932477541e041d499a43a3d6e7bbce16a92cb5f6874fc121ad147e
PDF
Publication page9a4e2cc043a4a564cc255c245a85decd50a3888451461ebea75c0a58d567108d
Manifest14036bd8ef86be0c8609874aad3f78e2499e76b7312ad1274feffb6f1cc8d358

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+NZ8WZ5jXYAcJQe6k0rpOSMLYVBCm+/0dboXlfhvjhvDsIyrPJJ7WCXFhN1+xLzQDJJkUdZ/p4E0vHgnOa5BCw==
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

2026-09-17T09:55:01.589345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085017
observed 9a4e2cc043a4a564cc255c245a85decd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.570193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085017/manifest.json
observed 14036bd8ef86be0c8609874aad3f78e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.552333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085017/publication.md
observed fb15f7e3b7932477541e041d499a43a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.534044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085017/publication.txt
observed 4819e01a7c75041aa66b246aa2b2ff9a...
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.