OpenTechnical

OT-2026-000050428

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050428) never changes.

Identity and time

Publication numberOT-2026-000050428 · never reused
Internal UUID01a0ae82-5c48-765c-a4b5-8ae193a76406 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050428
StatusPUBLIC

Content hashes

Canonical text75f82ad0ddea99660be7273d2dda2d2b2774c9e45db836b1f56a062ca3601b31
Markdown744a5e83b199d779b85ca7894b8dc54095a2b40ac671bbf93a4873f386d82437
PDF
Publication page3bebd4d652a0af9659475e6da4edbfe37386ba6998ee74bbd38b7f9b0b6cb72e
Manifest1d51216d2e5233c0aafe26632426fb61cfdc8e84ab17f060b9e0a370cee36360

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
SignaturekAQ5mYtM2RZ+Q2chnMkHLNIYx0mk4lyU2HLSjz7c4kuOv/bsVeXbzS4ktGoS1iibinnm0Tve1LNtlzdPPQddBA==
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

2026-09-17T11:01:28.410394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050428
observed 3bebd4d652a0af9659475e6da4edbfe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.394716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050428/manifest.json
observed 1d51216d2e5233c0aafe26632426fb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.378739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050428/publication.md
observed 744a5e83b199d779b85ca7894b8dc540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.361705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050428/publication.txt
observed 75f82ad0ddea99660be7273d2dda2d2b...
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.