OpenTechnical

OT-2026-000084017

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000084017) never changes.

Identity and time

Publication numberOT-2026-000084017 · never reused
Internal UUID01a0ae98-5b5d-7ee9-a229-0bbf557dcf76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084017
StatusPUBLIC

Content hashes

Canonical text38c3636ae73c410e55a093a146f6dc79fae13fb9b71b1af06852fb072a7cf3b6
Markdowne033810f0b2c4c0bfc7396cf75147e48938226189d62a1a83af549646819fa56
PDF
Publication page2bd12b6c723a31c1425d3eeafdeef5efcb58793c4d48c7b524bde4f1309b4a59
Manifest482ae5bea141f7ccd828fee7ddc009237a4142faa94bb8916824db0bffeb8566

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
SignatureNH8T8Fv8opsgghILpfjfgziAfQT4dfIIrovUNYsw2Ad1otzYL4FE1Kzii+eo1gdKo4an/lA8PzIS5h8TU37UBQ==
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

2026-09-17T09:55:44.241111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084017
observed 2bd12b6c723a31c1425d3eeafdeef5ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.222800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084017/manifest.json
observed 482ae5bea141f7ccd828fee7ddc00923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.205472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084017/publication.md
observed e033810f0b2c4c0bfc7396cf75147e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.187001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084017/publication.txt
observed 38c3636ae73c410e55a093a146f6dc79...
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.