OpenTechnical

OT-2026-000041543

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000041543) never changes.

Identity and time

Publication numberOT-2026-000041543 · never reused
Internal UUID01a0ae79-e89f-7885-8f32-b725498a0077 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041543
StatusPUBLIC

Content hashes

Canonical textab35dca9f7544ae68ea6eb3c3ccb228e85bf35bc2c144aa1c0b91230d11de0ee
Markdown7e0b2d3d57dee129e9bad66f8320dc40a255b9d811844c182b7555164a513100
PDF
Publication page9fe617de44fc0462af4055d4c537116dec3f19be58cbc696877febda1acaaefc
Manifest08b20ef27451f737892d587978f2bd7684e24b684ee4be6a51667e5a9bfcc1f1

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
SignaturevGulmZkVvLhD/nEDpHCEOjhCgpAzn1Hps2QmnP9zJfGlKJWMdfqPRwkARtPSQFKsbaARKqbil43sEtqQu6gLCQ==
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

2026-09-17T11:16:19.112381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041543
observed 9fe617de44fc0462af4055d4c537116d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.094662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041543/manifest.json
observed 08b20ef27451f737892d587978f2bd76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.076889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041543/publication.md
observed 7e0b2d3d57dee129e9bad66f8320dc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.060803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041543/publication.txt
observed ab35dca9f7544ae68ea6eb3c3ccb228e...
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.