OpenTechnical

OT-2026-000018915

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000018915) never changes.

Identity and time

Publication numberOT-2026-000018915 · never reused
Internal UUID01a0ae6e-d522-73f6-82d3-7deffd202d95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018915
StatusPUBLIC

Content hashes

Canonical textaa647d877002309ffb98d6e00915a569dc19ebf4f26360df994bf6932ba28b8d
Markdowneba3c6006b63ee348ac647518cf1b0852ccff45479c1ac93886f441452bcba3e
PDF
Publication paged95c87ec93d558b5805c4535f6029ba349c69bf4393f49081fa008f5d13c30a7
Manifestd22e30255c198aae50db925c1a0f64e3fc3fa64c7003f741235c80974020c7bd

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
SignatureT84195GT0C6uomvPAfYjxvYQbW+N2GaIDwpCg7bkbqG4w3PWk+ZL4cDi4lkXyfkSowmOB3IFHcxRqZ450FpZAg==
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

2026-09-17T11:59:34.475042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018915
observed d95c87ec93d558b5805c4535f6029ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.457216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018915/manifest.json
observed d22e30255c198aae50db925c1a0f64e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.439170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018915/publication.md
observed eba3c6006b63ee348ac647518cf1b085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.421478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018915/publication.txt
observed aa647d877002309ffb98d6e00915a569...
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.