OpenTechnical

OT-2026-000008631

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000008631) never changes.

Identity and time

Publication numberOT-2026-000008631 · never reused
Internal UUID01a0ae6a-e46b-7154-88d9-22bb01ae1112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008631
StatusPUBLIC

Content hashes

Canonical texta78f6d44da911f2388588503878e97630d922730051b9aea5a711efed91d0608
Markdown2b066ccc9f48151917e16ff03d2d872196738b87abf8a758288ba7b7dd20c310
PDF
Publication pagedf907726453c9d429de19f5db10435e30cbbc4964dae468d00617cd12819d85a
Manifest21bc2bae0107fa2551d568b2a0a36674cacd40e8faf08abcb7cb77d6064d4ce0

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
SignaturejOpZMbeG4zte41ePKm+gRbiHe6at/1B3JZNh+PX3Slx3yI/aofgVQEnA8K90ZW5qKuExjMo2KDrZIBeP91llAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:35.791323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008631
observed df907726453c9d429de19f5db10435e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.770081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008631/manifest.json
observed 21bc2bae0107fa2551d568b2a0a36674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.750387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008631/publication.md
observed 2b066ccc9f48151917e16ff03d2d8721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.723493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008631/publication.txt
observed a78f6d44da911f2388588503878e9763...
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.