OpenTechnical

OT-2026-000026851

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000026851) never changes.

Identity and time

Publication numberOT-2026-000026851 · never reused
Internal UUID01a0ae72-3452-7413-ad66-9c01cf4d2891 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026851
StatusPUBLIC

Content hashes

Canonical text4ff8bd3cd3408b297fc40ee98c6efd3b6da18a4a427c1f987ceaab11c0a85c66
Markdowne920f85958e3873e403bdde3112f870063e3f48f661897ef461f8f68a517f004
PDF
Publication page40c188595f989c848ae29795cf0531269929853e45203fbe7e1a7cc8b53e1fca
Manifest429b7451a8e48ccd7e843344e7035e6a1aa0c9b6d9f58e5714b67b9bb3dee0a9

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
SignatureZbfZ+MainmVzOojt4XshpOBw7Qm66EaCdJfxtXxXbq0sRRcye1b9oWEHPiD3bXY8Aabb49frjn0Mqsl7tyqpAw==
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

2026-09-17T11:43:26.853900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026851
observed 40c188595f989c848ae29795cf053126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.836993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026851/manifest.json
observed 429b7451a8e48ccd7e843344e7035e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.804462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026851/publication.md
observed e920f85958e3873e403bdde3112f8700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.787737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026851/publication.txt
observed 4ff8bd3cd3408b297fc40ee98c6efd3b...
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.