OpenTechnical

OT-2026-000015392

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000015392) never changes.

Identity and time

Publication numberOT-2026-000015392 · never reused
Internal UUID01a0ae6d-ef49-7c70-8f6a-28b37f1f075a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015392
StatusPUBLIC

Content hashes

Canonical text9530b1b339ef1f0650d7ad306e9f6c18a5fc60ecac0d1818664badd513aa5836
Markdownb7df21788546f9f9bb53be8b79a1f1e3b1b7f29076bf4c04b117d46fd52f80b6
PDF
Publication pageead0320fea57e7ebd5d5a0387cd062930116e9a54667a542f124f0ba2ba6322c
Manifest020fdd4243311bacff413231fd377352439a70695276091c294e749cd86b0f57

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
SignatureAzJtiTCSOeqziF/pic5xglQbtlGQlgkhA2MN/LYAGbvWWsbIzIXOwFr1gLCfxet6KPPvwe+RhDSDATfu4uIbAw==
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

2026-09-17T12:06:06.790623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015392
observed ead0320fea57e7ebd5d5a0387cd06293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.773308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015392/manifest.json
observed 020fdd4243311bacff413231fd377352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.753700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015392/publication.md
observed b7df21788546f9f9bb53be8b79a1f1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.734838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015392/publication.txt
observed 9530b1b339ef1f0650d7ad306e9f6c18...
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.