OpenTechnical

OT-2026-000045047

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000045047) never changes.

Identity and time

Publication numberOT-2026-000045047 · never reused
Internal UUID01a0ae7c-f767-75c2-938b-001cc41eeec4 · 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-2026-000045047
StatusPUBLIC

Content hashes

Canonical textf59a6c4607c3d73d055fb563cf69df5e964703c8e2d330e0d32fc74303659ec4
Markdown309051877a6156e532b2fef961c2fa6f9cd04c9eee11abc494ec93fef5fb45d6
PDF
Publication pagef77386642a3938f68729a9505a04cc2655266f944525b6cf5fa915e50308bde3
Manifestcdbb3ec794570f70521c470b2d45e3277b916c3ad4999f8fe2c7e065d0bde663

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
SignatureKc6e4JaFKnlJXljXjmffgpxrEXxKODvGE8S/DNWJcWviHr7nj+LcMyH8iOm3iTl66aQZs9Ja3aDfTQhsUy1UAQ==
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

2026-09-17T11:10:04.134891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045047
observed f77386642a3938f68729a9505a04cc26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.116015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045047/manifest.json
observed cdbb3ec794570f70521c470b2d45e327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.098414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045047/publication.md
observed 309051877a6156e532b2fef961c2fa6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.079876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045047/publication.txt
observed f59a6c4607c3d73d055fb563cf69df5e...
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.