OpenTechnical

OT-2026-000021122

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000021122) never changes.

Identity and time

Publication numberOT-2026-000021122 · never reused
Internal UUID01a0ae6f-865b-7d7b-a46c-eb77054d8c3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021122
StatusPUBLIC

Content hashes

Canonical text362ee9aa6fa51c960373dd30f4f5449b3a7d5f49c778a6b9adc0566733b8e52e
Markdownf4f557a2c7baa03283cb9c8ceeb2176d447974b672ad7c08c6082fbfe2b4995c
PDF
Publication pageff5336d852e1b5711c99104639cdd5b78b2c9303a8de5e1b24443978cb6e44b5
Manifest5cda0c49974a0743c17338c0303a7de80f0233f317252d2660fcf45a2afd33c5

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
SignatureRpN8GZiqi6cCslptaZYES0vuOVwzB4Bl9AnzUCL2tGG8mwNuINhvXF64zS35GJQjtprX0nd+Qw1HfHnRble3DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:52.047932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021122
observed ff5336d852e1b5711c99104639cdd5b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.029299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021122/manifest.json
observed 5cda0c49974a0743c17338c0303a7de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.012336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021122/publication.md
observed f4f557a2c7baa03283cb9c8ceeb2176d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.994807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021122/publication.txt
observed 362ee9aa6fa51c960373dd30f4f5449b...
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.