OpenTechnical

OT-2026-000101281

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101281) never changes.

Identity and time

Publication numberOT-2026-000101281 · never reused
Internal UUID01a0aea3-c379-7fc9-8bb7-e5a4b3552101 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101281
StatusPUBLIC

Content hashes

Canonical text3c25052863df318e0a900ccf3b97f22bf1d508b9305e581940be539c000f801e
Markdowndfb55c110195e55a37936cb414e757c2ea7641f74e501d9fdef81c0c518e7cbd
PDF
Publication pagebeb8060d907423ba84b55d86f7ffa04155b1bbac9cb88c03bce214b1c9fc89fa
Manifestbe530436fb5a66bd32b46f13330fe281e07c332ba47f6c72192ba04223c8fad9

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
Signature9jcR754XaY/U9SL2u2lCpWL0JxKNBSVETJRd1rYGzi+Vnn+Eoh+Zy64I9COZBmCvoXAwPrEnYHurZndOe6tiBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:57.682541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101281
observed beb8060d907423ba84b55d86f7ffa041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:57.665557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101281/manifest.json
observed be530436fb5a66bd32b46f13330fe281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:57.647400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101281/publication.md
observed dfb55c110195e55a37936cb414e757c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:57.628298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101281/publication.txt
observed 3c25052863df318e0a900ccf3b97f22b...
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.