OpenTechnical

OT-2026-000071839

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000071839) never changes.

Identity and time

Publication numberOT-2026-000071839 · never reused
Internal UUID01a0ae92-1e92-7108-9ab3-dbda74d1700d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071839
StatusPUBLIC

Content hashes

Canonical text86454ac367d887ecab89e472dd89c310fa87ee360780662cf4c6ebcf1edfdb1d
Markdownbe4a883f20f32db538dd41973083c9855666353b170750ee181f4cf5d6a4e9bc
PDF
Publication page263a08951212d8da502cffc4c0bfd8849fa8c32638417f07a04553a859b606f4
Manifest9ffda35469b5a7a51d0160291283ae239ec7f695a4466f8d48558b9320dd593a

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
Signature/t8J2Aj65InO8+oPxCGCkUzeXNLVUHnLqxhgVPdosOHtxqG9ahD4UJuK9b04kwO6pQrqw6m61RUXRGG9lmBiCA==
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

2026-09-17T10:24:01.010277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071839
observed 263a08951212d8da502cffc4c0bfd884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.993464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071839/manifest.json
observed 9ffda35469b5a7a51d0160291283ae23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.978163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071839/publication.md
observed be4a883f20f32db538dd41973083c985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.961286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071839/publication.txt
observed 86454ac367d887ecab89e472dd89c310...
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.