OpenTechnical

OT-2026-000069163

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069163) never changes.

Identity and time

Publication numberOT-2026-000069163 · never reused
Internal UUID01a0ae90-6dcf-7b29-89a0-9ebdd82ca2d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069163
StatusPUBLIC

Content hashes

Canonical text93538c49ee3f88a534b68d27f8f972d4e03b782cabe993b98fb086be7093a2c6
Markdownb4230660f036674fce945b87600a75fabb9d9e7159cf0de06914f949181ee760
PDF
Publication page22deeebe161e50f4a731154cb315ed9e821877493719d140a8b866237ac1044b
Manifest082f96b3fec7a85ea7aed9e63a06518af19fec67a8ca72572f429d21d6c688c1

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
SignatureswpexKJ/sgUIRiRJ+sd1j7un/JO2Je/YPM3Hpzk1omzYukxwSx54okAAT7f2m6kIOxPOa7H+fSYFRHGkrJ6wDg==
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

2026-09-17T10:29:03.056118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069163
observed 22deeebe161e50f4a731154cb315ed9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.038817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069163/manifest.json
observed 082f96b3fec7a85ea7aed9e63a06518a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.019083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069163/publication.md
observed b4230660f036674fce945b87600a75fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.001581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069163/publication.txt
observed 93538c49ee3f88a534b68d27f8f972d4...
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.