OpenTechnical

OT-2026-000008679

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000008679) never changes.

Identity and time

Publication numberOT-2026-000008679 · never reused
Internal UUID01a0ae6a-e46b-766e-a017-c8caface9027 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008679
StatusPUBLIC

Content hashes

Canonical text0dba0d92d3f42c9674b655cbbf465949f11b246f12510038316ebb588f05c865
Markdownddaac041d97c8423fabf4ced89b1abbdd7ba3979a9418e43427aebea27e5e324
PDF
Publication page3d0f545c623e57bf59d7689ca6b0c7ef6abbaacc65985149142d981cdd704010
Manifest065e80fc6f38c8515d3093b4daeb90bb4a80fa860f5f5651ba6af8e0d790e742

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
SignatureFAOFonyRXzZeIbCdX01LXjoBnw7VLtDXJafMgH/NC6LSW1RgT2dYILoQwKwpDEFjRWxTzqveUeEwRzuwParpCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:06.988500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008679
observed 3d0f545c623e57bf59d7689ca6b0c7ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:06.971586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008679/manifest.json
observed 065e80fc6f38c8515d3093b4daeb90bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:06.953628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008679/publication.md
observed ddaac041d97c8423fabf4ced89b1abbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:06.934788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008679/publication.txt
observed 0dba0d92d3f42c9674b655cbbf465949...
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.