OpenTechnical

OT-2026-000063905

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000063905) never changes.

Identity and time

Publication numberOT-2026-000063905 · never reused
Internal UUID01a0ae8d-53bb-7eb7-9460-69ab3655af8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063905
StatusPUBLIC

Content hashes

Canonical text63523f736935d75fbf0fc9763132c6b79dbdf6a99aefc1183fc4283799909469
Markdown93813de61e590ddec3391cfb55b213d15404cd3b5428bb55e22837071a2ba59d
PDF
Publication pagec06634ab8631bfff921f6e810f79cc1f0a57b1599ec46a0dafe554ed10872803
Manifestc97c70ab16b79c05ede7a2106fcafcc595bacd4b1898ce1647baa738979de966

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
SignatureH4oa+9qyzXpmhrggxULcfiPWescuIM6c7sf3CVSzJ1OodwF5I9pXvgd4POL7MRteMA+KO6AxH8vHv+OHe6QgAw==
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

2026-09-17T10:36:57.179203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063905
observed c06634ab8631bfff921f6e810f79cc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.157654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063905/manifest.json
observed c97c70ab16b79c05ede7a2106fcafcc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.140006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063905/publication.md
observed 93813de61e590ddec3391cfb55b213d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.122565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063905/publication.txt
observed 63523f736935d75fbf0fc9763132c6b7...
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.