OpenTechnical

OT-2026-000062155

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000062155) never changes.

Identity and time

Publication numberOT-2026-000062155 · never reused
Internal UUID01a0ae8c-0abc-76a3-b733-c92a408ee6ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062155
StatusPUBLIC

Content hashes

Canonical text469cf0bf25c26f120843e0e9eef5690346299c5f990057ec0a258be90249c96e
Markdown30888edba3ed180a0ef6297b09545d7c9420ae948ab4864afdb32e96b02ce78e
PDF
Publication pagebfdb7db5aeaeb400c7b447c3e01d36a2785882ee1640fef1fe6f712a360045d8
Manifest32036dc2fbd4a0cbbddff1e23f07a4c6c29a3e63cb026e0b8cd58968d216a9ea

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
SignatureT87oefv3HOKhGDCMj1VOkgXm/b9MjT0gii/nzIGXuxDFy+hR0RUAe3camT2axym07JLfC6yWY5Miy03/MtdqAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:24.354889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062155
observed bfdb7db5aeaeb400c7b447c3e01d36a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.338482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062155/manifest.json
observed 32036dc2fbd4a0cbbddff1e23f07a4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.321768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062155/publication.md
observed 30888edba3ed180a0ef6297b09545d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.304577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062155/publication.txt
observed 469cf0bf25c26f120843e0e9eef56903...
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.