OpenTechnical

OT-2026-000072597

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000072597) never changes.

Identity and time

Publication numberOT-2026-000072597 · never reused
Internal UUID01a0ae92-89d9-79dd-8d75-7fb0024ea3c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072597
StatusPUBLIC

Content hashes

Canonical text18844bb98121526dd077c1212498477af40e94fdcdd7b8e0b467fd54eb5891c8
Markdowne618831ef40bea0fdff0eafdbc337c339ff26634c3415dccbc9e4ef81b21eacf
PDF
Publication page4fdfdd0c089bbb8497342f969b57a87c544aa2b436a92668cc589febdee90fde
Manifestef403547b88bfff754dfd59048529769d1799b0b44f9f9757709dc31ad0bac6f

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
Signaturem1VJxlsuXApSCGlzKdO1ia1mnWEuiuai/asNFiItim8rB7OWu7vZXYUXbsRGK/6fW5mNwCMjVDg1+wJkfJqzCQ==
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

2026-09-17T10:22:26.559143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072597
observed 4fdfdd0c089bbb8497342f969b57a87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.540957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072597/manifest.json
observed ef403547b88bfff754dfd59048529769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.521800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072597/publication.md
observed e618831ef40bea0fdff0eafdbc337c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.501759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072597/publication.txt
observed 18844bb98121526dd077c1212498477a...
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.