OpenTechnical

OT-2026-000081608

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000081608) never changes.

Identity and time

Publication numberOT-2026-000081608 · never reused
Internal UUID01a0ae97-0f72-73e6-91cf-e447e3a6ad54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081608
StatusPUBLIC

Content hashes

Canonical textbe218e8a6e07fc3d87638f037dc025bbb65a366ab1472d2fea244365974c662e
Markdownf2ef43d7446cad6da9759606747d414843af31495575190eeb9d20e4d3df226b
PDF
Publication page715368a4078b5356565ec48cb001a528b572fd1b5db92f5522ce1b6a5372407c
Manifest033b7380a6ed7d60882bf9214885fd236b4ef4a9a074fe8b573592ea719767ed

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
SignatureYNRqmnlLlvGpMg6xi33+wRsHeoLvjHm6QcwTpY+I3CsFUE6ntuipDU5JLWXZJ/TvlRLXCmd4PC+I0K69ooP7Ag==
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

2026-09-17T09:59:38.862195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081608
observed 715368a4078b5356565ec48cb001a528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.844957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081608/manifest.json
observed 033b7380a6ed7d60882bf9214885fd23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.827579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081608/publication.md
observed f2ef43d7446cad6da9759606747d4148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.809873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081608/publication.txt
observed be218e8a6e07fc3d87638f037dc025bb...
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.