OpenTechnical

OT-2026-000091530

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091530) never changes.

Identity and time

Publication numberOT-2026-000091530 · never reused
Internal UUID01a0ae9c-f16e-77c5-a95b-40b1f1858efa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091530
StatusPUBLIC

Content hashes

Canonical text44fd27ae9285c27da329fd0c53e2464c1528c096179e8bee85df345567b3418f
Markdown8c21de95af631b0ff3c8319d0d35d9214176ecf5212bf6acff2eba87a9154f54
PDF
Publication page85bff22521f2b663527c3ed3a0940e9eb0237e755e8876866a94c6ae19a7b55f
Manifest64e76c28f5c2f48032d7e17d883f53d1b97ae52e447a6c7d341451d91b432de1

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
SignaturekJbPSqEePK/iEZkMG7LMNhqtYMvy5eIcM5s0mkTSVXu54X3uhq/Ql9uHpO7jFYbOifzBIsjcPSj2GgwYhgcJDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:47.772214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091530
observed 85bff22521f2b663527c3ed3a0940e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.756825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091530/manifest.json
observed 64e76c28f5c2f48032d7e17d883f53d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.742474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091530/publication.md
observed 8c21de95af631b0ff3c8319d0d35d921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.725499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091530/publication.txt
observed 44fd27ae9285c27da329fd0c53e2464c...
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.