OpenTechnical

OT-2026-000076576

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076576) never changes.

Identity and time

Publication numberOT-2026-000076576 · never reused
Internal UUID01a0ae94-b06e-7a84-8287-7f04362d3345 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076576
StatusPUBLIC

Content hashes

Canonical text5fd9565386ba10f89348ee3015d508da9ce1aa20deec63c0758ab36a831e80bc
Markdown79a3b25ac9381c78536757f675fbb90270135426a6050a93146fb7bfcf1a9c72
PDF
Publication page85b2898293581ba225376c818b31eb914b6a133e94242d3b5037b059ef33675f
Manifest9ba1b9b138b69be7d14bac613feb8c80b7cd77b8f6451d288f6de5167c0b9f88

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
SignatureTj9N7BT46KAdtwCKI7mvbhOUFT4OpIEcTI8fQl20/iQD6Xe9YvTMqs4ZCgtNo1YEdcmoC9tOjCJ+vTs6MFifCA==
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

2026-09-17T10:09:17.819482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076576
observed 85b2898293581ba225376c818b31eb91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.798460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076576/manifest.json
observed 9ba1b9b138b69be7d14bac613feb8c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.779932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076576/publication.md
observed 79a3b25ac9381c78536757f675fbb902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.761332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076576/publication.txt
observed 5fd9565386ba10f89348ee3015d508da...
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.