OpenTechnical

OT-2026-000043467

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000043467) never changes.

Identity and time

Publication numberOT-2026-000043467 · never reused
Internal UUID01a0ae7b-92ce-7551-9b40-0f93badde128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043467
StatusPUBLIC

Content hashes

Canonical text44e0e50706ba50bc151baf801ef7c3093d35c7cdb40e6df951e7bbe447db6178
Markdownd7284824dcf9225fdbad542d49baaa5730844cb19c5edb1af9caab4a479f9f50
PDF
Publication page85cca53e61f24d311f326234b9ba252767bb8c9fdaf810826dafbe03e3b8dadf
Manifesta81944ce091f36870f95d58135ccbcf551f68fc77d1f947c310004b76686ba36

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
Signaturea9h18DurRkrSdZgoubjkQPgGFDTVm9w/zGZfMA4dWFtT580HWAD131TQbKlhurUNbNgsXW2m9fUnczWG5QDqBQ==
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

2026-09-17T11:12:49.252206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043467
observed 85cca53e61f24d311f326234b9ba2527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.233626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043467/manifest.json
observed a81944ce091f36870f95d58135ccbcf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.213837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043467/publication.md
observed d7284824dcf9225fdbad542d49baaa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.194636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043467/publication.txt
observed 44e0e50706ba50bc151baf801ef7c309...
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.