OpenTechnical

OT-2026-000007056

Publication integrity record

Vacuum cup gripper, pump fed, sustained blow off after set down, silicone cups, oval form

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-2026-000007056) never changes.

Identity and time

Publication numberOT-2026-000007056 · never reused
Internal UUID01a0a971-0ea5-7544-a4c8-03dbcedc2d10 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:13.960297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007056
StatusPUBLIC

Content hashes

Canonical text745e1b8f5e7d213cb5fe537344c8fc8405c380f8e7c803ae2b7335fd1495ff6c
Markdownbb65af879162a3044e3a47df986607f0d705c849e44f8aad26f24d2733daf0bf
PDF
Publication page90856d60663e61e2bbbd6b900c451684b6302601165daef6ae25a3396dee2126
Manifest77291ee48e2d985d3e266f660566bf5ba393bca04dba3ae2eed4657188a73c76

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
SignatureHKdl6NgmLfgPFh1KQTIyVcAsO0CVU46nHs1gTF3KCJaVsiHkacYWtYqD9dErB+wn+RCzsQ0nwal34qjvWNEACw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:07.000090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007056
observed 90856d60663e61e2bbbd6b900c451684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:06.987225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007056/manifest.json
observed 77291ee48e2d985d3e266f660566bf5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:06.965743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007056/publication.md
observed bb65af879162a3044e3a47df986607f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:06.949008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007056/publication.txt
observed 745e1b8f5e7d213cb5fe537344c8fc84...
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.