OpenTechnical

OT-2026-000088422

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088422) never changes.

Identity and time

Publication numberOT-2026-000088422 · never reused
Internal UUID01a0ae9b-5d27-7c93-860a-be41f1a351f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088422
StatusPUBLIC

Content hashes

Canonical text262cb053e5b8392a063a57b7f697209b8e771738494a9032082061c062d8c9c2
Markdown314622db1680c26ee3454806a88e0e8275d06c691b4a1c04945c8554b7edda73
PDF
Publication page4071a98430e0f74b508683e8db75836f9882667820dbaa5bcde7bb86b63fbb42
Manifestfae47857d16dd5fd88898fa6c7f2d739a536851cb2d0f1b5112b577342b669c5

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
SignatureaUpP2is1RvNlpO5x4E6CZLblFmN1ytthmLaX7V2GiZJWnKjAYQQMnZyolWdQsoyWh8B0ow/NAoCuwi8eVC1TAQ==
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

2026-09-17T09:48:47.528974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088422
observed 4071a98430e0f74b508683e8db75836f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.511344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088422/manifest.json
observed fae47857d16dd5fd88898fa6c7f2d739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.492422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088422/publication.md
observed 314622db1680c26ee3454806a88e0e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.475155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088422/publication.txt
observed 262cb053e5b8392a063a57b7f697209b...
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.