OpenTechnical

OT-2026-000093819

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000093819) never changes.

Identity and time

Publication numberOT-2026-000093819 · never reused
Internal UUID01a0ae9e-508c-7694-a79c-59d7cb004dbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093819
StatusPUBLIC

Content hashes

Canonical text0f20a7a2d8e279639ee5d0c550185dcf92277f8d50caadb683e7e1f9fe8940ce
Markdown2ace4e00bd3ed02a15f1c7ada27980e44aa3648dae8311004b1a3f99abbf45de
PDF
Publication page9f77aac55219648c40c475a04e73c7753591bfb791d000d5d0925d58cedaac65
Manifest57e8908b6513c3c706a5e873222ba87eb904f46a9ddc321b7d1195e6e306d285

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
SignatureAvrZ9J8z1LqVhgXt+oF+oyp/kthz2gUCWBMnlLnFzf1uGvm0OsHrh2NbmP23Vk0Thu4+Lvbppn0LlzZP9kPhBg==
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

2026-09-17T09:39:55.723445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093819
observed 9f77aac55219648c40c475a04e73c775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:55.703804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093819/manifest.json
observed 57e8908b6513c3c706a5e873222ba87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:55.684429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093819/publication.md
observed 2ace4e00bd3ed02a15f1c7ada27980e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:55.664292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093819/publication.txt
observed 0f20a7a2d8e279639ee5d0c550185dcf...
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.