OpenTechnical

OT-2026-000097234

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line 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-2026-000097234) never changes.

Identity and time

Publication numberOT-2026-000097234 · never reused
Internal UUID01a0aea1-01ca-763e-b502-0573ead3c78d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097234
StatusPUBLIC

Content hashes

Canonical textf025c6114bc09b90cdabdee379a7cdaef93faa56e9dbe7cb00a55143b7d42550
Markdown7d8cb760e8f5ad937722b1fc17b510bc395348ee00042f33452b2e1467d06d59
PDF
Publication page36a2ce56016c74ac592dba110e4de56d5fda21085944c0033a6a663ef581ea50
Manifestd15eb04f397b2574387e810f3acb2db9ce4f312e675e5b6db881902d8fd1885c

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
SignatureBmoyxKaU2jkWLGMhJEb/6LCOfk+PEBWdt7QtDIidb5bHb6bLM53MTVfgLNG7EG4e1BKKGdacwSnbYZQRdoKbCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:29.019866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097234
observed 36a2ce56016c74ac592dba110e4de56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.003308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097234/manifest.json
observed d15eb04f397b2574387e810f3acb2db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.988310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097234/publication.md
observed 7d8cb760e8f5ad937722b1fc17b510bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.972540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097234/publication.txt
observed f025c6114bc09b90cdabdee379a7cdae...
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.