OpenTechnical

OT-2026-000044387

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000044387) never changes.

Identity and time

Publication numberOT-2026-000044387 · never reused
Internal UUID01a0ae7c-39d7-7134-ae54-f11e638aa92a · 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-2026-000044387
StatusPUBLIC

Content hashes

Canonical textfd81f68dc2add199ef1dd32c32395e9b5ebcd0eac40bb35fa0e1e26a587e4367
Markdown7abaf32d5ce923fe335297253f6ad1de137ffd27e54a764649be4cfc034ea694
PDF
Publication page0d9c31fbf224e9cf616c48fc010ae08f8516016c52578af1784ac656a2c5983e
Manifest4042b5f098d2297c4176eb3c9f982b7195d64541aec14ab52a273efdbdb6837f

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
SignatureqqmAVip9NyiVYPPu6UCMUHrj1UEZqDsC4T8iBkjWQFGbxmHS/IgsYbo4oboQCIwvhs0W76YFQ6OYp0c9wwRPCg==
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

2026-09-17T08:30:36.046375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044387
observed 0d9c31fbf224e9cf616c48fc010ae08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:36.021645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044387/manifest.json
observed 4042b5f098d2297c4176eb3c9f982b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:35.999184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044387/publication.md
observed 7abaf32d5ce923fe335297253f6ad1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:35.974499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044387/publication.txt
observed fd81f68dc2add199ef1dd32c32395e9b...
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.