OpenTechnical

OT-2026-000083274

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000083274) never changes.

Identity and time

Publication numberOT-2026-000083274 · never reused
Internal UUID01a0ae97-c963-7d9b-8938-5b763eae10c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083274
StatusPUBLIC

Content hashes

Canonical text5d2d5ffdced295559cab8fdc6fa022d968cbb13c4e16a325b94345cdb87d6b90
Markdowncfcc257edebc57863e498f4302c76bda86d337e284db407c0cad427aeb74f86a
PDF
Publication page7d1f9b7ac8e3f9b86ee6e06e54e3c8f8e27c371f78adbaccf0828dcb422da295
Manifest0e4514b60e242df116554d93e04bcab0283440d029b672e2b2840c8daef1bc8c

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
SignatureWoDewa17uoqhWdv4XmzD2IIXrinRAp2WGSNNO/dWpV1pOrgR+IUfL3TcUl0A43Bnvp6JnpxEzNfQEUvIBVD7Cg==
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

2026-09-17T09:01:22.850392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083274
observed 7d1f9b7ac8e3f9b86ee6e06e54e3c8f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.831630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083274/manifest.json
observed 0e4514b60e242df116554d93e04bcab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.813792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083274/publication.md
observed cfcc257edebc57863e498f4302c76bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.672745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083274/publication.txt
observed 5d2d5ffdced295559cab8fdc6fa022d9...
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.