OpenTechnical

OT-2026-000049059

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049059) never changes.

Identity and time

Publication numberOT-2026-000049059 · never reused
Internal UUID01a0ae81-134d-7b02-a813-da0ee41a348a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049059
StatusPUBLIC

Content hashes

Canonical text4017af50de90e3861511a0757526f9abf3043cc5ef187881da168c2c45f4ce3c
Markdownb987e88fd1e969533bd83f690efceaafb2cf9fd210267f5335510edb90e7b6ef
PDF
Publication pageb178d1b560f9ad8e1c599317d82b91f68dbba466ebd484f874fdff6ded588aad
Manifestc3c4cccc165023bd89296a2289ff520fcd0df4b6a49a24519a743b9053ca8237

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
Signature+I+0QlPRxwcub1Xef0NV+7GYeMDxd+ZqkAghjXi/NfPUFapmneDIsXMnvIxttYSAFPpIkJeHGs0Sc23ncH7nAQ==
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

2026-09-17T11:03:17.412002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049059
observed b178d1b560f9ad8e1c599317d82b91f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.394036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049059/manifest.json
observed c3c4cccc165023bd89296a2289ff520f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.376101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049059/publication.md
observed b987e88fd1e969533bd83f690efceaaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.357629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049059/publication.txt
observed 4017af50de90e3861511a0757526f9ab...
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.