OpenTechnical

OT-2026-000093977

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000093977) never changes.

Identity and time

Publication numberOT-2026-000093977 · never reused
Internal UUID01a0ae9e-92c9-7444-8f06-33c2dae65886 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093977
StatusPUBLIC

Content hashes

Canonical text08aae66793d8d1167b0abac9d2a370f436b80ac3eb71578453c9d20417894c32
Markdown727c1727dd40f07daf294f0c779bdfb0ce910120ede23a1d5175e44cea14ad77
PDF
Publication pagea1f71a35cd3c8b2d16cde679cfb83800d1ccde2efaec81fca3bcd4a27a29af46
Manifesta273ecab4dc731668bb64eb1d06da9ba2168e2144f340d22f7b17bdd24cdeedb

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
SignaturechRexvcI2Sk2nC0X9cTw8v46TqHvor/8w8hOhVlpdUnQMWIrW1bFli4NIEG9IvCNOFFl2LT3QWa8UzpZ4SlwDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:22.739745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093977
observed a1f71a35cd3c8b2d16cde679cfb83800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.720979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093977/manifest.json
observed a273ecab4dc731668bb64eb1d06da9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.700525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093977/publication.md
observed 727c1727dd40f07daf294f0c779bdfb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.682022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093977/publication.txt
observed 08aae66793d8d1167b0abac9d2a370f4...
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.