OpenTechnical

OT-2026-000071220

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000071220) never changes.

Identity and time

Publication numberOT-2026-000071220 · never reused
Internal UUID01a0ae91-e0ec-79ae-8f72-535fcf69170f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071220
StatusPUBLIC

Content hashes

Canonical text85f024c6d6c5064315e12ac3c64b14424053ca7d9841f0584a60fb129d355760
Markdowneac8ace7bb9159fba6b17af2b40cb1fbd31bb92a2ed2fe3df52b7482211b6ea6
PDF
Publication page45bf818c45d5e6ce1b344ad811f6fc6ebd4f05d26a663ab97ad521b3fc5a084d
Manifeste6223ace1239d6e8e4d3200794042e057911a2f9f028c9b34d45462e8184b864

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
SignatureJRAy3A9hw2bLfR0PmOwJJMwFyMNQ8h1RfNVe6MNO1yuHdYPK0BHFzHM15AdUGGtDQye/GFjKBp0sSswMFljjBA==
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

2026-09-17T10:24:45.513659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071220
observed 45bf818c45d5e6ce1b344ad811f6fc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.494290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071220/manifest.json
observed e6223ace1239d6e8e4d3200794042e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.476152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071220/publication.md
observed eac8ace7bb9159fba6b17af2b40cb1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.458780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071220/publication.txt
observed 85f024c6d6c5064315e12ac3c64b1442...
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.