OpenTechnical

OT-2026-000015052

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000015052) never changes.

Identity and time

Publication numberOT-2026-000015052 · never reused
Internal UUID01a0ae6d-d096-7840-9769-d1d7840a1c0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015052
StatusPUBLIC

Content hashes

Canonical text50cfb1caf8b47f50b7f9dcd700e953a0581f85b46952626477b358871d1f8ce0
Markdowneb8d277836364ca03b090d6cc2b998898681e3e429927cb74e0b7e5244f3beec
PDF
Publication page74c0229aeab3507f3b8705f6cab407caf2536da1cfe379139a29ab50c8afcb62
Manifest7a67445dc20aedbbff5d6168613afc43d866c6f045d217871b1dde0d94a9eb78

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
SignaturefIZNDYBKcCbi6Pmf/k/CkXlIj7QCRDwImVzOTpcrPPtPqU3FMehvgrA5InBR4CaA6J73HPDrVlLhqJWUboIrDA==
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

2026-09-17T12:07:02.331977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015052
observed 74c0229aeab3507f3b8705f6cab407ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.310923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015052/manifest.json
observed 7a67445dc20aedbbff5d6168613afc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.292457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015052/publication.md
observed eb8d277836364ca03b090d6cc2b99889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.268005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015052/publication.txt
observed 50cfb1caf8b47f50b7f9dcd700e953a0...
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.