OpenTechnical

OT-2026-000100319

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100319) never changes.

Identity and time

Publication numberOT-2026-000100319 · never reused
Internal UUID01a0aea3-3053-733c-a818-05d2f633cfee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100319
StatusPUBLIC

Content hashes

Canonical text69f45ec6fe7f177eb5b242036b65887f8f4ddc5a75adfb5ce9dd7033b97adc3a
Markdown9633114bd5b71d60a99922dce69c7eb11f791da15730e6a0de66df534fb26cca
PDF
Publication pageeb3505047fa3e33af5ff047a3c9a132f460b4ef1d9dc2bfb23630dcc997f540f
Manifest34484c59034a4e0a08350e52aa2ff77d9d497e38bda807ae7a6a87f712a54a42

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
Signaturep/OEzamgAkSkT7UvmLadQEsNRm79ncHQUVr7b2PlP2HS+wqupgIKbBAiXux4QKiTQAEMHfLeNaHAzYgMMZkWCA==
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

2026-09-17T09:30:15.460617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100319
observed eb3505047fa3e33af5ff047a3c9a132f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.440983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100319/manifest.json
observed 34484c59034a4e0a08350e52aa2ff77d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.422062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100319/publication.md
observed 9633114bd5b71d60a99922dce69c7eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.393117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100319/publication.txt
observed 69f45ec6fe7f177eb5b242036b65887f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.123344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100319
observed eb3505047fa3e33af5ff047a3c9a132f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.106073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100319/manifest.json
observed 34484c59034a4e0a08350e52aa2ff77d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.086641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100319/publication.md
observed 9633114bd5b71d60a99922dce69c7eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.068194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100319/publication.txt
observed 69f45ec6fe7f177eb5b242036b65887f...
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.