OpenTechnical

OT-2026-000005376

Publication integrity record

Vacuum cup gripper, two zone face, three outlet manifold, pump fed, contact triggered, polyurethane cups

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-2026-000005376) never changes.

Identity and time

Publication numberOT-2026-000005376 · never reused
Internal UUID01a0a937-1586-7034-94d1-9d0350ea6b29 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:54.633681Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005376
StatusPUBLIC

Content hashes

Canonical text2156e450e1a917eb33b1b49c66895fff15f2b2e90751f07d9b73b2d594416789
Markdowneb11730518d9c909dabe620c3a7ceb9c0c3060427a1a0fd1b6cc78c494522eee
PDF
Publication page2ed19adfbead5348dc8f7ad2acf0737879a8c93ba62b7a11cfe6f8ff21ed7818
Manifestb7626b7cc58dc85490d34ac2a2ad94c093357c2a0e114b298574f5032477d001

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
SignaturerlZKmK76/K8CzxSLmbDyv1g0+AbxnWbuTGF0RDmCch7bJdN5cDBeHYUC2wXFCkr8LWHJrw8lZyNxmyWk3lAvBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:16.622250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005376
observed 2ed19adfbead5348dc8f7ad2acf07378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.485532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005376/manifest.json
observed b7626b7cc58dc85490d34ac2a2ad94c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.471665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005376/publication.md
observed eb11730518d9c909dabe620c3a7ceb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.458082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005376/publication.txt
observed 2156e450e1a917eb33b1b49c66895fff...
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.