OpenTechnical

OT-2026-000030275

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000030275) never changes.

Identity and time

Publication numberOT-2026-000030275 · never reused
Internal UUID01a0ae73-e500-7709-a9ba-602a6cf674e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030275
StatusPUBLIC

Content hashes

Canonical text2d4d5d352e3a841b25f18236dc3c0fe17c36949078daf11e9608edfb437b197e
Markdownc165f678437dbb6a20f8b6e1247fe148a214f29aeb93382f78823f08a1656d31
PDF
Publication page44463d4ce234f8856f34b600863c7179554c7fb0ab881aaeaca737d4b1b150bc
Manifest61355d9626b2c4dac1844d44d551927578bfcd4597b4598b3bd7afdbae3c05ae

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
Signature4SC7maPbut3F4NFMk+/cbzz1pFxTEJSGKYIUwurZek0CJzwY0Wt+hVldhiazVhqKofHlwzHRpKPVTXfw6aXEBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:46.571474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030275
observed 44463d4ce234f8856f34b600863c7179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.556376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030275/manifest.json
observed 61355d9626b2c4dac1844d44d5519275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.539570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030275/publication.md
observed c165f678437dbb6a20f8b6e1247fe148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.519539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030275/publication.txt
observed 2d4d5d352e3a841b25f18236dc3c0fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.471952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030275
observed 44463d4ce234f8856f34b600863c7179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.455197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030275/manifest.json
observed 61355d9626b2c4dac1844d44d5519275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.436315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030275/publication.md
observed c165f678437dbb6a20f8b6e1247fe148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.414267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030275/publication.txt
observed 2d4d5d352e3a841b25f18236dc3c0fe1...
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.