OpenTechnical

OT-2026-000021276

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000021276) never changes.

Identity and time

Publication numberOT-2026-000021276 · never reused
Internal UUID01a0ae6f-865c-7a94-bbf7-1acd5fe2191b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021276
StatusPUBLIC

Content hashes

Canonical textf07db08f1ff1babe18204d610f6658b56ad6324b5f471ab56ecddeb37a8e34b1
Markdowne9bd621779a336484040afc5ea6ea76a8021eed45db6dae04f8438b4e96324c9
PDF
Publication page3dad11945f6ae9d0d213562a43b07d9e80a463366482ad566df29e039318368e
Manifestf62dfa1fe271ca44b43bc091cbf494b18ab210271b5f02d9bef21995cc9bc946

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
SignatureL3yDF5CeYpCXgpjNohqh7aYMjs8myc50G/kq/1Mrb1eDXW1iPYvES47WFv6AOiSxsgI2r4yh84ILps9vDAYBCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:06.333625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021276
observed 3dad11945f6ae9d0d213562a43b07d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:06.315264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021276/manifest.json
observed f62dfa1fe271ca44b43bc091cbf494b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:06.294841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021276/publication.md
observed e9bd621779a336484040afc5ea6ea76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:06.275759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021276/publication.txt
observed f07db08f1ff1babe18204d610f6658b5...
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.