OpenTechnical

OT-2026-000056475

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000056475) never changes.

Identity and time

Publication numberOT-2026-000056475 · never reused
Internal UUID01a0ae87-7af4-7a34-bbd9-09a589024e70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056475
StatusPUBLIC

Content hashes

Canonical textf500782f034ff45a2292478f9cc9a61d72d516c9d3025d493434bec17d1d7673
Markdown43fbbea77e60222abb6861418ab1332586145c45b646e2cf235d9a70aef2bebf
PDF
Publication page8e5bb3fae5b16450d55e29524bc66c9de1212b73e9f44444f565a30c26fb4f25
Manifestf608c48c5897d103697b078a56f9ed0fccf74e0cfa380cfb132e81c990eb8f7c

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
SignatureAuy1KwvXAMqsBgfTVnyxAIDonaWFMszucTTYmY6rAJ4Iry2Z4J+g7/im+K7/K4ep9GBvJcYEaiQM+XBsQaXiCg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:46.931347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056475
observed 8e5bb3fae5b16450d55e29524bc66c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.912269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056475/manifest.json
observed f608c48c5897d103697b078a56f9ed0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.892062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056475/publication.md
observed 43fbbea77e60222abb6861418ab13325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.864419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056475/publication.txt
observed f500782f034ff45a2292478f9cc9a61d...
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.