OpenTechnical

OT-2026-000080612

Publication integrity record

Three bellows 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-2026-000080612) never changes.

Identity and time

Publication numberOT-2026-000080612 · never reused
Internal UUID01a0ae96-7e79-7c89-8b4b-99ae10fe8ae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080612
StatusPUBLIC

Content hashes

Canonical text884bf15546516728006be6c3c0262fada074b2875769fec05b404a6a407f9ffb
Markdown1835c3fb236d1a8dd355ae73ca5c6ff836c8be84839947924f731948e1465a18
PDF
Publication page2004d970cd5211bb4b8b02fbbf7b427e504095fa26e3b64a6bdef9e716b305e3
Manifestf51a22cdb5c663345975737b26c80a099205d6cc789f2d7f885ae79c49082793

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
SignatureRz/Sd/xVOp2FlsDSba/2D/hXUmSLvgDM0HCCRfKf0O4MbFngboYPk82m7OCcVvHjrmlfMr0iwZ0BxcNIhh5qCQ==
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

2026-09-17T10:03:15.084098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080612
observed 2004d970cd5211bb4b8b02fbbf7b427e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.066170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080612/manifest.json
observed f51a22cdb5c663345975737b26c80a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.048181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080612/publication.md
observed 1835c3fb236d1a8dd355ae73ca5c6ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.030575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080612/publication.txt
observed 884bf15546516728006be6c3c0262fad...
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.