OpenTechnical

OT-2026-000031654

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000031654) never changes.

Identity and time

Publication numberOT-2026-000031654 · never reused
Internal UUID01a0ae74-bad0-7cc9-9710-e77b12f5909d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031654
StatusPUBLIC

Content hashes

Canonical text1b6da9424a9fc173480f7c2b1c66f3d1ec36dd9126d8be815edcbd784d989436
Markdownb9f6ac2ed038d45364cee27bd17923d9dab29239891f16d1941f0eb2cb679b12
PDF
Publication page3be28ee29b3bf4ac3320c80afe4904b3fa69989eed7f78051ea6a078707bdd43
Manifestbb03eb5b76a77ec80ed69df78c3e95340685c5d9727148c902d3a8e35ac43b29

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
SignatureoAeHvsizoUx4Vg2Nq+Qmm+MIVg1mbEdBS+Y7KnxJYSjcwuN+OBGBqaLdPC5Try3qmcxZLw1wRi9tLK0jTDWbBQ==
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

2026-09-17T11:34:42.718211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031654
observed 3be28ee29b3bf4ac3320c80afe4904b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.702521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031654/manifest.json
observed bb03eb5b76a77ec80ed69df78c3e9534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.685450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031654/publication.md
observed b9f6ac2ed038d45364cee27bd17923d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.663402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031654/publication.txt
observed 1b6da9424a9fc173480f7c2b1c66f3d1...
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.