OpenTechnical

OT-2026-000042715

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000042715) never changes.

Identity and time

Publication numberOT-2026-000042715 · never reused
Internal UUID01a0ae7a-c0cf-7f31-a005-c64289caf0ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042715
StatusPUBLIC

Content hashes

Canonical text5b17d4e982377bf24bf6c3ef9fad50b4df70c80d51104180635c06f53fd4daed
Markdowne24ab00c6d33b4ae1ba6d6d4dd2317d49482b181f21ac77eb9137437a52150f6
PDF
Publication page6de26d4883f3e71370883be522c0a2c1d0976c7781e7286a0c90396fae22851f
Manifest9bb8c06567ea460765fd50f90d738a111d4ee93223acc90575932916072b0964

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
SignatureTMfRYDBR9UcCRqu9csI+LcfplykN1sA72Q+ymid+OJo0tlF/cEjW4dbINKinKNgRPLFgu22+hDuZ9r0juJRiCA==
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

2026-09-17T11:15:04.720660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042715
observed 6de26d4883f3e71370883be522c0a2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.701552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042715/manifest.json
observed 9bb8c06567ea460765fd50f90d738a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.682120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042715/publication.md
observed e24ab00c6d33b4ae1ba6d6d4dd2317d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.661881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042715/publication.txt
observed 5b17d4e982377bf24bf6c3ef9fad50b4...
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.