OpenTechnical

OT-2026-000057802

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057802) never changes.

Identity and time

Publication numberOT-2026-000057802 · never reused
Internal UUID01a0ae88-6ed7-797f-ad20-954bbbb913af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057802
StatusPUBLIC

Content hashes

Canonical textee6c3564a067bbe7c03cfbceac60d0a9cc2256f17f9cb63dcd0574d55b7befb7
Markdownd43c35ef8a519d1e2ed9ec0234bcca97babff17f9740a19d0a7db6aaa3241c81
PDF
Publication paged647e5acf523aa020351967f5b54e78ea6e70c19091ec5a09f34e50212a1b9b8
Manifestf1c6518174488553ee5e7d4f99a03ac508e15913aa67c9e2b8a9882659b75a61

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
SignatureABTvS8EDGkJay9DnXOkASNfPdDQzbjT9Bye31h6l9sPxb+lrFQhUAQ2HNIx746bNae6vbQ5NpKrREFcYLW5jAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:21.984467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057802
observed d647e5acf523aa020351967f5b54e78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.965556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057802/manifest.json
observed f1c6518174488553ee5e7d4f99a03ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.946469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057802/publication.md
observed d43c35ef8a519d1e2ed9ec0234bcca97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.928535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057802/publication.txt
observed ee6c3564a067bbe7c03cfbceac60d0a9...
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.