OpenTechnical

OT-2026-000016449

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000016449) never changes.

Identity and time

Publication numberOT-2026-000016449 · never reused
Internal UUID01a0ae6e-2d13-7e8c-88e6-fd030e1bc9c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016449
StatusPUBLIC

Content hashes

Canonical text2d4d6f3a254b1a6c24e1517c6e87ea705400e95b0c71783c54dddbd76aa811ef
Markdown9c57743b21a1407b81d164f4d6f753f78e28d2155a470d3895033d9578f509d3
PDF
Publication page708503981dee40067b6654922bad3bdfe7247d8f8fce6367806aa1ba95936785
Manifestbeff0d7574c1f8c71bc5d02de4830381dd8349a897bdfab6b5c156a20621d2b1

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
Signature0dC63kW92VyS0tabO3/VXWEj9SvqQs5OBDxn3KR0bjUmuDHdJIEQFQvkX/SjGgt5pJstN5+EOLoUkaY/Z73eAw==
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

2026-09-17T12:04:38.313184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016449
observed 708503981dee40067b6654922bad3bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:38.270355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016449/manifest.json
observed beff0d7574c1f8c71bc5d02de4830381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:38.223259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016449/publication.md
observed 9c57743b21a1407b81d164f4d6f753f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:38.189732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016449/publication.txt
observed 2d4d6f3a254b1a6c24e1517c6e87ea70...
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.