OpenTechnical

OT-2026-000079335

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000079335) never changes.

Identity and time

Publication numberOT-2026-000079335 · never reused
Internal UUID01a0ae96-0b90-75ff-926e-9044b878e5ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079335
StatusPUBLIC

Content hashes

Canonical text74ec138186f358ca14824426b42556825892dd7dd9df3b022e10379144f2561e
Markdown8236503fef35e77a682aaf15e38e932b4df2dbb08c66e085130f4e3b9c566cb5
PDF
Publication page885bd2cd03523d1d99d8d683307657d43ca001377b4980bc18096816e74c5c94
Manifest8006d7dd3662dcfb6ddbb483905e43b3470844fa7d142233c77d1cf7d9f15647

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
SignatureivTZzSk11MYs6PjJAWE7y4EeP2hrmfuNZyAAOjK25kxZdhaZs+6VfiXML1HqRqqOTWGn1FQyU088YHIw3a24Dw==
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

2026-09-17T10:04:56.956891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079335
observed 885bd2cd03523d1d99d8d683307657d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.938019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079335/manifest.json
observed 8006d7dd3662dcfb6ddbb483905e43b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.919182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079335/publication.md
observed 8236503fef35e77a682aaf15e38e932b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.901698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079335/publication.txt
observed 74ec138186f358ca14824426b4255682...
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.