OpenTechnical

OT-2026-000031331

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000031331) never changes.

Identity and time

Publication numberOT-2026-000031331 · never reused
Internal UUID01a0ae74-87ac-7ef9-b41d-f426815a65cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031331
StatusPUBLIC

Content hashes

Canonical textdcc4c8fc52642260e58cd33df71096d98bd4bee7a6552103c4780f0a3e483f02
Markdown95a956ced3ab7849a3ed7fd37a2092e13b54dc3d0b768518fd6c236aa4777f66
PDF
Publication page9432d2428cc854027a4e28a06adb9aab15ac29eb93f750ed0d2e722688782eb0
Manifestddb542c2c4c153894b39731474724ce95b8acd99c565ae6021dbd8fc36aec495

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
SignaturepxYlZH40pCgqOMwIL4kN7EP/1ebIk3haPFxHJWjuDdpZHAJqaOci8NthJtqY8ETbexTeEXqwRzArtJzqcV8IAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:01.452241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031331
observed 9432d2428cc854027a4e28a06adb9aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.436238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031331/manifest.json
observed ddb542c2c4c153894b39731474724ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.416631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031331/publication.md
observed 95a956ced3ab7849a3ed7fd37a2092e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.399777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031331/publication.txt
observed dcc4c8fc52642260e58cd33df71096d9...
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.