OpenTechnical

OT-2026-000030675

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000030675) never changes.

Identity and time

Publication numberOT-2026-000030675 · never reused
Internal UUID01a0ae74-3fb3-7b81-a1f9-22255af8c8d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030675
StatusPUBLIC

Content hashes

Canonical text481c6102d329e621e4c53bb75cb1680b8c51d637e2abde148f613e40cda3668e
Markdown51511608537e127e9678dd6ba745a17f11474da6603087693d602df580f74f18
PDF
Publication pageb91fc4788458ff56204dcf14cea0ab1b7bf9388c7fcd694979c0df3925e0c55b
Manifestd679818c66094a7e06fd68250899470ffc1184647d1520c06c7e427ec3bb4b56

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
SignatureGWMGJmtaTHbGV5iYE7a6M3kIjYLN+T0c1PWzuqULOsjRc4e08mYXY6Y5mVid6mbSbQ33qtBnlipYPk4S16YWBQ==
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

2026-09-17T11:36:34.059282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030675
observed b91fc4788458ff56204dcf14cea0ab1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.040521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030675/manifest.json
observed d679818c66094a7e06fd68250899470f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.022042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030675/publication.md
observed 51511608537e127e9678dd6ba745a17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.001851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030675/publication.txt
observed 481c6102d329e621e4c53bb75cb1680b...
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.