OpenTechnical

OT-2026-000089594

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold 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-2026-000089594) never changes.

Identity and time

Publication numberOT-2026-000089594 · never reused
Internal UUID01a0ae9c-1a21-762e-8a1c-d8e182b44819 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089594
StatusPUBLIC

Content hashes

Canonical textc1aa6b76677896cd978abe93867ef6e9bb73639acd562d909bdb31d6e6045989
Markdownd9902a7678c076d3811675d3cc588e8efc2a715451dd65260c40e3553c366b47
PDF
Publication page7ccf3aff1ae7cb62560bb49c1cffbb4d3e2669984fe3997a2dc3964e59b7ed9e
Manifeste45c3996866cffed4c8f4bb04349250391b125b90a6a09ba4350cf999f7693c2

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
SignatureWHFkWuK/vw6v9zG24YP6DJZ9nRNHGXmQof4aWIMZ01oDQTDxo89y2/aMaL8T0cybAXd5kVKctUAixYa+3S7WCA==
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

2026-09-17T09:46:34.290363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089594
observed 7ccf3aff1ae7cb62560bb49c1cffbb4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.274308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089594/manifest.json
observed e45c3996866cffed4c8f4bb043492503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.258981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089594/publication.md
observed d9902a7678c076d3811675d3cc588e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.242443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089594/publication.txt
observed c1aa6b76677896cd978abe93867ef6e9...
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.