OpenTechnical

OT-2026-000005107

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, plant vacuum fed, contact triggered

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-2026-000005107) never changes.

Identity and time

Publication numberOT-2026-000005107 · never reused
Internal UUID01a0a92e-1424-7439-ab99-c520de4072d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:04.455767Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005107
StatusPUBLIC

Content hashes

Canonical text5085841a9bc053074e3e7fb59506e5dbb52cf82baadab7ae67c407451d23ff7d
Markdown298346dcf1d3f8bd25fa2203c02f209acb3006dd1d2299d456c4582eb095f6b3
PDF
Publication page20d5fa04bfbb0fc2d13d5a4161b2548bbbcc350d5b0721b06ea275fc0aae1eeb
Manifestd01fea4154243009fee42ee65e70a6875fad2b2f318d9f28767b6c3ef0b439f8

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
SignatureMYT67RasqwPQSkeobx7vNuTQF+tJ+6E64nNOCuIlt0zaN/QdVa2tihvjY85LFy65xXEF118so0ZAvtRil0mfAg==
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

2026-09-16T07:50:14.726454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005107
observed 20d5fa04bfbb0fc2d13d5a4161b2548b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.713504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005107/manifest.json
observed d01fea4154243009fee42ee65e70a687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.698123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005107/publication.md
observed 298346dcf1d3f8bd25fa2203c02f209a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.685836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005107/publication.txt
observed 5085841a9bc053074e3e7fb59506e5db...
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.