OpenTechnical

OT-2026-000030745

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000030745) never changes.

Identity and time

Publication numberOT-2026-000030745 · never reused
Internal UUID01a0ae74-3fb4-7cec-8189-bb2a620c30de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030745
StatusPUBLIC

Content hashes

Canonical text9d639358c9e32293644b6baebdabbd135eb08148b9f1c6dd66c58839634deb68
Markdown6086bdf66b46df75039ab454bb84f4a00e5a2915ec0d003524780096cbb222e0
PDF
Publication page739e296918208e67374050a1717078c8d6a4be60b9443989b85a01e33874aba1
Manifestd197b6df4c139c2e6a5354ea0664bce79d3ea4fd0aeed5d90a12a40260fb617b

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
SignatureW9n7aeAk+043jXP0Q7O5yzrYAQ9+EioMUd1ZeQD28JYmWx+rUnUmytSLdyG/bYH/hb3rOvd7nhdu43tONGCUCg==
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

2026-09-17T11:36:41.098208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030745
observed 739e296918208e67374050a1717078c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.081846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030745/manifest.json
observed d197b6df4c139c2e6a5354ea0664bce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.058603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030745/publication.md
observed 6086bdf66b46df75039ab454bb84f4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.041993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030745/publication.txt
observed 9d639358c9e32293644b6baebdabbd13...
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.