OpenTechnical

OT-2026-000076602

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076602) never changes.

Identity and time

Publication numberOT-2026-000076602 · never reused
Internal UUID01a0ae94-b06e-7a58-b3bb-7828a3a2bdf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076602
StatusPUBLIC

Content hashes

Canonical textcf7cd136a17d9052d2d56aff3eb25711cd3e42324012f2d04e6b21fbd819227a
Markdownd7aa8d64cf7e2d050a4f3b6f2c59784aefac798c9e5d8c7e537ff00f062faade
PDF
Publication pagec673002316d8bd74e91a62a224002732e5fc9a85c257854aefd4c4b1d1c946d4
Manifeste5cd23ed88e9e1e449e383570b48d8fcec4b82bc3f00097261a6e9335a3af72e

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
SignatureSnf2wen8nZMkGIZ4Sgt4bzseru50/fFognyHTseknXYEi++rzRrIpO8EiSl/nuKGfCHOuJxbvZwLf0IMPOO8Bg==
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

2026-09-17T10:09:19.566352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076602
observed c673002316d8bd74e91a62a224002732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.548843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076602/manifest.json
observed e5cd23ed88e9e1e449e383570b48d8fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.531034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076602/publication.md
observed d7aa8d64cf7e2d050a4f3b6f2c59784a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.514103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076602/publication.txt
observed cf7cd136a17d9052d2d56aff3eb25711...
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.