OpenTechnical

OT-2026-000005082

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, contact triggered on the face

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-2026-000005082) never changes.

Identity and time

Publication numberOT-2026-000005082 · never reused
Internal UUID01a0a92d-4ac1-7fec-8a4e-83d54aefaef6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:12.900793Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005082
StatusPUBLIC

Content hashes

Canonical text9acd3a8a8ef0ef86c517054fb5f31adea54cb0d9221ae193bef1c3906cb397cb
Markdowneb4307a7baaf7b60ebfb22c80cea247c77e29707786b68b07915511967bb5d65
PDF
Publication pagec66e690085d1a06bca526f08144f1a2cdf66bddc9912427a098464cf52dddc94
Manifestcd6b78e93b80274e05d5033e0c58083c3c918b71dd907ac849df3c1495660fc1

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
SignaturenwuimKWHNATnCxRTgdA+p2yQv9lZZuZUI4ywYvK6uxpojj7QkhRzk62NTMijDcRTvCtmb9PqX6R4yG1DqqqZDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:17.441924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005082
observed c66e690085d1a06bca526f08144f1a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.427979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005082/manifest.json
observed cd6b78e93b80274e05d5033e0c58083c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.413821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005082/publication.md
observed eb4307a7baaf7b60ebfb22c80cea247c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.400225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005082/publication.txt
observed 9acd3a8a8ef0ef86c517054fb5f31ade...
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.