OpenTechnical

OT-2026-000045435

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000045435) never changes.

Identity and time

Publication numberOT-2026-000045435 · never reused
Internal UUID01a0ae7c-f76d-76cf-9d41-4ae45534d486 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045435
StatusPUBLIC

Content hashes

Canonical text6fbbcef764acd20811eac33bf50715184ce700a95fe4754bdff76031340960f0
Markdown1f10a4a3a08b5bbbae1c177b4c7fe011f0fbb4b4c23568b35121e774312cc97e
PDF
Publication pagec5f3a995a8b8561c6cbc6ea99c9467a220723301e69e0e35978793a4f3d715f4
Manifest07d80542d07ac37b440be974de7133ea8545d47977dbba6b481136ce8aebe5de

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
SignatureT0dEBxVVgejg7kwsu4xq/PKyOjSIIrF6J6rhdMl8c4yN1GuZKn36cSyZubBfBctTVOK9murfoy9TCnTwYQLyAQ==
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

2026-09-17T11:10:43.931281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045435
observed c5f3a995a8b8561c6cbc6ea99c9467a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.911587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045435/manifest.json
observed 07d80542d07ac37b440be974de7133ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.892218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045435/publication.md
observed 1f10a4a3a08b5bbbae1c177b4c7fe011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.873600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045435/publication.txt
observed 6fbbcef764acd20811eac33bf5071518...
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.