OpenTechnical

OT-2026-000058535

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000058535) never changes.

Identity and time

Publication numberOT-2026-000058535 · never reused
Internal UUID01a0ae88-f39b-7ef7-ac8c-a47d697202c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058535
StatusPUBLIC

Content hashes

Canonical text3cfa3b0f20d5af771e6de3b1c6fd1f73ad73a9e2190630d7aca3496da800df1f
Markdown3b9966cfdc31c8241fab773a93cf410cbf47219a44bb5dab21db55de734491e7
PDF
Publication page90a2e08c7fc5bd376f38f4cda6686dee9dd4aa63a272b19346f6cc48a2709e22
Manifest62788c83e292e5036898794e6e6256210f04fddf7bd37b09bdf7ebd98507a704

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
SignatureizsEdr+UmjLtg2HBIoLSXfTY4wsSpfZUjhdwVaXEnzximCB4rBd20s0i5i9uYRE6PLpGlTUqnRHZpia/CwzEAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:59.874486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058535
observed 90a2e08c7fc5bd376f38f4cda6686dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.858694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058535/manifest.json
observed 62788c83e292e5036898794e6e625621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.843027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058535/publication.md
observed 3b9966cfdc31c8241fab773a93cf410c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.824138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058535/publication.txt
observed 3cfa3b0f20d5af771e6de3b1c6fd1f73...
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.