OpenTechnical

OT-2026-000097703

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump 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-2026-000097703) never changes.

Identity and time

Publication numberOT-2026-000097703 · never reused
Internal UUID01a0aea1-92f5-7092-9b1e-a2f58e23f001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097703
StatusPUBLIC

Content hashes

Canonical text16f6d89493b84699069ff1095b4a087932a7812d940c3b208243705d5e84b082
Markdown71292746e426dd8be771462c6ac2a9c4a28dfe907a71275f44b072aab669c94f
PDF
Publication page26c7606b6b2f22f53a15456c3c56451aa9478e579f18dd161adef7d5a827ab7a
Manifestbb02cb96d343ada3c7658b56c49cfdd0aad640e16aa46f24bccd77fa72791fed

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
Signatures44wWo3RXjJe8AdHFHr8BFQH9F8eeqLvQ2H6McXLG0UWdaqSS64qaMPdbeRYnLkXeZ2mNHjcKOK5C2o0l30QDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:43.730649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097703
observed 26c7606b6b2f22f53a15456c3c56451a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.712177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097703/manifest.json
observed bb02cb96d343ada3c7658b56c49cfdd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.692557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097703/publication.md
observed 71292746e426dd8be771462c6ac2a9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.675695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097703/publication.txt
observed 16f6d89493b84699069ff1095b4a0879...
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.