OpenTechnical

OT-2026-000044516

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000044516) never changes.

Identity and time

Publication numberOT-2026-000044516 · never reused
Internal UUID01a0ae7c-39d8-7aaf-be52-4939d401ac2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044516
StatusPUBLIC

Content hashes

Canonical textfa454cc2d63b1734866c80771dde224e2e6ad78791d862a6310b9bad23112158
Markdown5e1ef352c5c492179d37ff44193d271875286be68290645ee2c2d044684d9849
PDF
Publication page028dd6608986ba1bcb11e70a359cb86cde48f63b6f0f3aa48ecfaa2cf54ade9d
Manifest95d01092b4febc3f86f04eb8d4b34c86c28bd1988b7894ec6056e95196d23e88

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
SignatureZybSs1dM3Dy6aXQdO0tFLx3pDAcrbNk6/1ut4mH9VFd56LugGckoNlZUNSQcWPDkXEpSo/OsfoYGoLbVnjQ1CQ==
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

2026-09-17T08:31:01.804467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044516
observed 028dd6608986ba1bcb11e70a359cb86c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:01.788183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044516/manifest.json
observed 95d01092b4febc3f86f04eb8d4b34c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:01.772252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044516/publication.md
observed 5e1ef352c5c492179d37ff44193d2718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:01.755793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044516/publication.txt
observed fa454cc2d63b1734866c80771dde224e...
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.