OpenTechnical

OT-2026-000064345

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000064345) never changes.

Identity and time

Publication numberOT-2026-000064345 · never reused
Internal UUID01a0ae8d-a460-7ce9-bbea-6885df93d3d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064345
StatusPUBLIC

Content hashes

Canonical text8780edb1477437790b1916f6f0b3521e841bf8075b98a59655c5d0dbdfcfcf85
Markdowne589090412476eabb4f120d30fd77bc490f9e4a38fac1b92b554fe48e9746dcc
PDF
Publication page20c42aa41ea546a349cb681e29d6b53c6270bdf8ca044b99003f9f52ae195745
Manifestcd0da7cdd69117ed883fb8f95159bc40c6e828dd82a3f40c24f412ffaaefe99a

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
SignatureDDb4OU/MoTRb0oWydjaeSFnSY6nSs0LtpI4FMYiPKktoftSu+As6fwliXR9UDSXQ3VxhFxGpXbhhnEg8z2rtDg==
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

2026-09-17T10:36:30.228110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064345
observed 20c42aa41ea546a349cb681e29d6b53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.212153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064345/manifest.json
observed cd0da7cdd69117ed883fb8f95159bc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.195297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064345/publication.md
observed e589090412476eabb4f120d30fd77bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.178339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064345/publication.txt
observed 8780edb1477437790b1916f6f0b3521e...
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.