OpenTechnical

OT-2026-000073675

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000073675) never changes.

Identity and time

Publication numberOT-2026-000073675 · never reused
Internal UUID01a0ae93-2b8c-7742-864a-e4a8e471c6a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073675
StatusPUBLIC

Content hashes

Canonical text60f34b00276411737b4eebfa30bcd9f21197845c40a449549f7b85a148d0ed13
Markdown7bcdd30de6e91b3339a45f45fc60110af96559d99b79b7f0a55ce757cefbc60c
PDF
Publication page46cfa53b80c72cd6c7398919adde318b03f8568abecdac1284be0fb26175a85e
Manifestce4bfe3c8d0bda44ae6cb713350df514de0c207815544804e669010e975d796e

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
SignatureakanDS+7+lcTYPYstZpg56ASjBCGeXd9bHkQ6fqev2dJJKnKiUnZxAyQD6x5JkjV9jDyyQW0/zsIgK+WUsSFCg==
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

2026-09-17T10:19:43.973610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073675
observed 46cfa53b80c72cd6c7398919adde318b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.954672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073675/manifest.json
observed ce4bfe3c8d0bda44ae6cb713350df514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.934932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073675/publication.md
observed 7bcdd30de6e91b3339a45f45fc60110a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.914613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073675/publication.txt
observed 60f34b00276411737b4eebfa30bcd9f2...
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.