OpenTechnical

OT-2026-000081471

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, sustained 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-2026-000081471) never changes.

Identity and time

Publication numberOT-2026-000081471 · never reused
Internal UUID01a0ae96-f375-750e-9e18-559f55f692cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081471
StatusPUBLIC

Content hashes

Canonical textd52b12d6c7af5ebfcc4ecd679301607d9f2cce6ecd527fb6f9901bd5c4a548f1
Markdown398dcb4013c9ed17309c297be95f287877b6e485cd1860ce69eb9c92464677ff
PDF
Publication page5e6c2af0336e5dbebd6cf6d645c01fcd5c79d9f7bdcda0560d55b4043d91b4d6
Manifest3814a408be9a0f788d321a4c9b53f2d222d7ee855992375a00e8402e17517f78

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
SignaturecBZTj0ujPJjY13UMuwuGTkJR0b1IivAVqeck4L/JZh0K+Q7oOGOCnXu+idUB187cmmYMVNfaoThLIRPjhJ4oBA==
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

2026-09-17T10:01:38.188997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081471
observed 5e6c2af0336e5dbebd6cf6d645c01fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.169903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081471/manifest.json
observed 3814a408be9a0f788d321a4c9b53f2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.152898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081471/publication.md
observed 398dcb4013c9ed17309c297be95f2878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.135817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081471/publication.txt
observed d52b12d6c7af5ebfcc4ecd679301607d...
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.