OpenTechnical

OT-2026-000074395

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000074395) never changes.

Identity and time

Publication numberOT-2026-000074395 · never reused
Internal UUID01a0ae93-7179-7896-a273-bad5cad13e94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074395
StatusPUBLIC

Content hashes

Canonical text6a9f40514d1cd51fa0e6a272fb5407729cea2710413fbdaa48172ee55d7c9a17
Markdownaef742cd2aaf53550543ad6e189fea07e4fad482f46b42f2410747441d415cd0
PDF
Publication pagead526211d430f62079971cb8f27999685b409ea372a5888ceba37f898afd7467
Manifestf729e84656ec8c284679f77d9fcef39a8934a85ed81a6b67f057ee1bef011e86

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
SignatureEuwZ7ssCeqFrsNMV853XZAFuagSvND3uJTawz3ECmoNEcbwFDz/8QZ+LGCDwyzq3arzDhnW9w9vKK1yYbqx7BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:19.952261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074395
observed ad526211d430f62079971cb8f2799968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.933979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074395/manifest.json
observed f729e84656ec8c284679f77d9fcef39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.916020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074395/publication.md
observed aef742cd2aaf53550543ad6e189fea07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.898544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074395/publication.txt
observed 6a9f40514d1cd51fa0e6a272fb540772...
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.