OpenTechnical

OT-2026-000093103

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000093103) never changes.

Identity and time

Publication numberOT-2026-000093103 · never reused
Internal UUID01a0ae9e-0910-7964-bcb4-b4cda4e17bf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093103
StatusPUBLIC

Content hashes

Canonical text9c7f7bacae7f117051c8ce1c72b418f81b5cd374a4f5bd686c1765f391174675
Markdownf1665f53f3cdb1d0ad8761b50bc1ca0bac3264dc8e9dd7ec53801b9b64311370
PDF
Publication page69ee467cea1ff28572845135f50a2e874b9cde3995bdcefbc61c38c51f62f442
Manifest4c6e9de41666e51e526145516b7ebdf0e550698e456bb2b2c673e1fb41501ec8

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
SignatureXfds49vNDNspBuJDmJsolu7S4Fn1sH0J3R61FSTCcj8QT+tY9dBIwMKCGmwqHo+bgOuVuIlliJH2u2JdAo4bCg==
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

2026-09-17T09:40:21.467800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093103
observed 69ee467cea1ff28572845135f50a2e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.452133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093103/manifest.json
observed 4c6e9de41666e51e526145516b7ebdf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.436102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093103/publication.md
observed f1665f53f3cdb1d0ad8761b50bc1ca0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.420010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093103/publication.txt
observed 9c7f7bacae7f117051c8ce1c72b418f8...
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.