OpenTechnical

OT-2026-000039827

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039827) never changes.

Identity and time

Publication numberOT-2026-000039827 · never reused
Internal UUID01a0ae78-d8d6-75c7-b016-461e8d3bd228 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039827
StatusPUBLIC

Content hashes

Canonical textd9ea54c53747f090acfc9ad982e1df8a4a54374a1a1e1e5b4f4acce537c0de94
Markdown1132a394e842626e1269526dd146f0005b17682480d8c0b57e305219a58f9b9d
PDF
Publication pageaed8bc79ad36aaed13fc9b0b1ff8623ac2428582df03a061f978a8307ef1c95a
Manifest9f721724168ff5cb34e4342190ef3100f7090d2e0c22db52370e68c254556548

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
SignatureHJcntLq1X2ZdpwBKyXr7BJpF8pLU3gk/vi7SwW0UwTB1jJ4nd3I9kRLA9pbpWiyrgSndekPj7JNXco7C/ihQDw==
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

2026-09-17T11:20:04.229465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039827
observed aed8bc79ad36aaed13fc9b0b1ff8623a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.211393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039827/manifest.json
observed 9f721724168ff5cb34e4342190ef3100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.192613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039827/publication.md
observed 1132a394e842626e1269526dd146f000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.170629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039827/publication.txt
observed d9ea54c53747f090acfc9ad982e1df8a...
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.