OpenTechnical

OT-2026-000029273

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000029273) never changes.

Identity and time

Publication numberOT-2026-000029273 · never reused
Internal UUID01a0ae73-2aa1-76a5-988b-669ffec5af14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029273
StatusPUBLIC

Content hashes

Canonical text11aaaa3fbfa31f5c1e2f90fd4bb4b621764d6624aba2c7a6b93203af693952c4
Markdownfc0b8bf8ebd000be647dfddfbc64188181df584eb42ed52ce6b8858c3456b83f
PDF
Publication paged58c698d3cad22653af3b79fee98f9c6eaa5a0bfb8a2e9f5dadd431fa1414fe4
Manifest7fe7e2da9306f531286e5ab6a6ee488445a183869ed4d054e9ef0ded445e3055

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
SignatureYBZQnwLep3SpFUjNd8i+vd2I+aeI2AyzOjN1BEhIaBMZNvoJZNoV3J9ElYSi2Hepms378t024uzqK0sQ2MM2Ag==
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

2026-09-17T11:39:54.416512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029273
observed d58c698d3cad22653af3b79fee98f9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.399922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029273/manifest.json
observed 7fe7e2da9306f531286e5ab6a6ee4884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.382314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029273/publication.md
observed fc0b8bf8ebd000be647dfddfbc641881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.365031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029273/publication.txt
observed 11aaaa3fbfa31f5c1e2f90fd4bb4b621...
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.