OpenTechnical

OT-2026-000048939

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000048939) never changes.

Identity and time

Publication numberOT-2026-000048939 · never reused
Internal UUID01a0ae81-134b-7279-89ef-0c76b98aec9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048939
StatusPUBLIC

Content hashes

Canonical texta9c6a736355e03d75cb89dabbf7a5ae45dbdb56a61cf462e945c40cde009e717
Markdown45ec265721ed5313519e447799bf894d2c0d8e903eecea56aed258b4bc74d31c
PDF
Publication pageb4662062580a5caf3a50e3a3f81c00ea3a77b171d7334012019e6456c6029485
Manifest89eda321839552196f582b284a8c561a3cc956125a04b0a434b2f48921e5b86c

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
SignaturexVJMxx3RCP2vGcYW9BAl/Lp98aQUc0ShUqF7GKgjJtFBVrhS6bC6tEEy3NcPQ7fNgXiCYBdbvkTNZlEVqWTmDQ==
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

2026-09-17T11:03:07.361705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048939
observed b4662062580a5caf3a50e3a3f81c00ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.342933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048939/manifest.json
observed 89eda321839552196f582b284a8c561a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.324483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048939/publication.md
observed 45ec265721ed5313519e447799bf894d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.306102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048939/publication.txt
observed a9c6a736355e03d75cb89dabbf7a5ae4...
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.