OpenTechnical

OT-2026-000013960

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000013960) never changes.

Identity and time

Publication numberOT-2026-000013960 · never reused
Internal UUID01a0ae6d-8dea-783c-9001-7bad69d5e876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013960
StatusPUBLIC

Content hashes

Canonical textd97a0dcf196c1aac5603feda81d83d38232068e95ac495c2e148c559e8fb4453
Markdowncda611a8a2f0038b6da972650d5a18bce9c7a0f6e0da670b11903b5724959867
PDF
Publication page06ccb6d19dc2cd835ade839d7df8f3e7692f53b97cd89871520982e2a5b07854
Manifest98cc03d6d41eaf3b65d66ab5acb79601ca5005bd9be33e538a8f5e452c78392f

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
Signaturelq2rT6MBKh/4+o4yHTe6uQlVZ3urer2N+dBhuZC4GuIo2KDMCoXHSSJcvWYHjTAizFZ+3FfUziyvhzDtXYfoDA==
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

2026-09-17T12:09:09.962980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013960
observed 06ccb6d19dc2cd835ade839d7df8f3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.944415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013960/manifest.json
observed 98cc03d6d41eaf3b65d66ab5acb79601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.923808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013960/publication.md
observed cda611a8a2f0038b6da972650d5a18bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.906848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013960/publication.txt
observed d97a0dcf196c1aac5603feda81d83d38...
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.