OpenTechnical

OT-2026-000063357

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000063357) never changes.

Identity and time

Publication numberOT-2026-000063357 · never reused
Internal UUID01a0ae8c-f943-7c25-a3c8-46b239ac9497 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063357
StatusPUBLIC

Content hashes

Canonical text02d1b906bb03569a7baea4a2f36f3c3908c998dc0e4d01a33e1fe2a5904f922f
Markdowna97723f109c378bc59bb27c3d4805a95ecf542e4f48e21a8b4ba93fcf331f228
PDF
Publication paged809b128c7a11261cb9d9a0cc02c415b3648b2b0c949a2e926972c8ca06df2b4
Manifest5b54f23442f88224a09c275f13a33de4568a7e60864e2d1f1bcd8f195c6f336e

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
Signature9+MKSx4TvA9A9lx/9TkikzATNdSLWEUrM7CL0z7VYsQvYUdWvz9FAvI99Ozp0+PP/W/RdMxOTSUO880j+km8Dg==
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

2026-09-17T10:37:15.568444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063357
observed d809b128c7a11261cb9d9a0cc02c415b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.550612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063357/manifest.json
observed 5b54f23442f88224a09c275f13a33de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.532586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063357/publication.md
observed a97723f109c378bc59bb27c3d4805a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.511806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063357/publication.txt
observed 02d1b906bb03569a7baea4a2f36f3c39...
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.