OpenTechnical

OT-2026-000030729

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000030729) never changes.

Identity and time

Publication numberOT-2026-000030729 · never reused
Internal UUID01a0ae74-3fb4-7bd3-9d3c-a99fb60b1f67 · 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-2026-000030729
StatusPUBLIC

Content hashes

Canonical text2f828823f657513a0a3be218dd3e5291c6d2feee19a4aa806678c481f659d1a8
Markdownb0a8cbd1b8a3659f378b62092300a42518144ba2f163d1455aba5651e964b1a0
PDF
Publication page2ab71a99731b01dfc478de00e1b6b13cd74948404c6505088aae97e618e82775
Manifest09c25b6b81943dbc776d6aa1970ef85ca0399136a37a2456f801396b15fc256e

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
Signature31F4pQ+CkWrTCGYFD93uwV/JdyVXCa8gkTa6d56+HUXuAIV9xdeiyIYbS0e6G5Jh5Y9GDv87C3Ie+cCYgMmuDA==
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

2026-09-17T11:36:39.606960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030729
observed 2ab71a99731b01dfc478de00e1b6b13c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.590384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030729/manifest.json
observed 09c25b6b81943dbc776d6aa1970ef85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.571290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030729/publication.md
observed b0a8cbd1b8a3659f378b62092300a425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.552151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030729/publication.txt
observed 2f828823f657513a0a3be218dd3e5291...
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.