OpenTechnical

OT-2026-000088389

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000088389) never changes.

Identity and time

Publication numberOT-2026-000088389 · never reused
Internal UUID01a0ae9b-5d27-7adb-b947-f82a171e1489 · 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-2026-000088389
StatusPUBLIC

Content hashes

Canonical text5f6c78b9094122efa99d714cdb3199c8c5efa576a18413765366268f64e164aa
Markdown14e96e579937e3299dbb35fcb28e05adf9d4d946f7bb27cf52c5117c46c596fd
PDF
Publication pagef5517c32c5bef7c008b0c278af2d41ef990f481d929c16e05e1f4f336d2095b4
Manifeste3f2fa74904613d7182a80d53d5f0bbdfbc560207ed365790dd8800b27e39af5

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
SignatureiISZj07CtSLHxBXCuSQ3FykMgaEKFFpjrcKmdRi+BTQufMM66TE061KDyxljVt4di4Y1EGniyevk4sE0srtxDQ==
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

2026-09-17T09:48:44.855299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088389
observed f5517c32c5bef7c008b0c278af2d41ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:44.836399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088389/manifest.json
observed e3f2fa74904613d7182a80d53d5f0bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:44.817831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088389/publication.md
observed 14e96e579937e3299dbb35fcb28e05ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:44.800125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088389/publication.txt
observed 5f6c78b9094122efa99d714cdb3199c8...
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.