OpenTechnical

OT-2026-000061474

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, vented after 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-2026-000061474) never changes.

Identity and time

Publication numberOT-2026-000061474 · never reused
Internal UUID01a0ae8b-7b43-7c41-9ff1-a2454fd6a800 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061474
StatusPUBLIC

Content hashes

Canonical text40280ebe8c0db9c004d25491e988801c9021888511fdf1b41bb93fe99f9c46ea
Markdown449d3a18318fee4f11e3894f63f9192e822231f5f02e4e9912764ecf6e7769c0
PDF
Publication page4963567f69acde0a8be24d2312cd8bb4af61add9a5d26810386b71d668cb2225
Manifeste5f05a8187ab22667df00e0389e7091195afe1e7552f58b03e2fc74f358f1f8c

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
SignatureE9HMob4n0+180npzMtUtAY/YY/mPOk1nCkoFGYRULHKWq/wQ1q4s2qzFXYcVoC+Y8mJYQl819ofLMxmrFKDzAg==
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

2026-09-17T10:41:21.695154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061474
observed 4963567f69acde0a8be24d2312cd8bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.679266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061474/manifest.json
observed e5f05a8187ab22667df00e0389e70911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.659008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061474/publication.md
observed 449d3a18318fee4f11e3894f63f9192e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.640081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061474/publication.txt
observed 40280ebe8c0db9c004d25491e988801c...
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.