OpenTechnical

OT-2026-000085223

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000085223) never changes.

Identity and time

Publication numberOT-2026-000085223 · never reused
Internal UUID01a0ae99-43ba-7897-898a-314cd58b0bbc · 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-2026-000085223
StatusPUBLIC

Content hashes

Canonical text615e3525e0be36810900b4e8697bb5caa611d5c019de4f77d098c2b5da41e422
Markdownced7c3dc3a0a164a61ce6f26a53fccc54922938b3079903fa47fc9827424741f
PDF
Publication page4f8a7805f0f4b434f5113c1b33cc4662f97a5539d71bf7f40ccf859aebdeab98
Manifeste0e214663be87a4d5457448284a176fb8d1ff99e44c79e6fe23f2cf4a35d44f1

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
SignaturenE+uOKUyrmOHCuhgWfuo/LLetD3lLLHmDZApn9Ev+huPWakjJAJ9WoYEmjdO1k4ZPCTUBVSwyQs3zNUiDGUJCQ==
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

2026-09-17T09:55:19.131223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085223
observed 4f8a7805f0f4b434f5113c1b33cc4662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.113773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085223/manifest.json
observed e0e214663be87a4d5457448284a176fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.096486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085223/publication.md
observed ced7c3dc3a0a164a61ce6f26a53fccc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.079820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085223/publication.txt
observed 615e3525e0be36810900b4e8697bb5ca...
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.