OpenTechnical

OT-2026-000101173

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000101173) never changes.

Identity and time

Publication numberOT-2026-000101173 · never reused
Internal UUID01a0aea3-c378-7908-8bd7-d3626b8123f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101173
StatusPUBLIC

Content hashes

Canonical text27d204eb2d0821dda86d47ef01fa842d6a92573145df542f30d9c2b5a5d3f583
Markdown572e2540a701a7751ca2f408916b1c3532611ea342f5dc1c9f06a108db6a5ec8
PDF
Publication page045ec8a213de7023d6def5e9a888dd21c4a68d89a04980938e78e60de415b7cd
Manifest62e2e7881dcc0342177010b511ece1a10b6e97a02c454ef23cf3f16a7b5da2d3

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
Signature8KLFwMlRyfeExaa88l7dM82J+dXZIyjNyQISaZZpdq1wTIcQy66H8FEmS4hKB4x92SpIB0JLOX7/t2lPl2ckDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:48.994188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101173
observed 045ec8a213de7023d6def5e9a888dd21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.977389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101173/manifest.json
observed 62e2e7881dcc0342177010b511ece1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.959399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101173/publication.md
observed 572e2540a701a7751ca2f408916b1c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.925547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101173/publication.txt
observed 27d204eb2d0821dda86d47ef01fa842d...
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.