OpenTechnical

OT-2026-000069981

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069981) never changes.

Identity and time

Publication numberOT-2026-000069981 · never reused
Internal UUID01a0ae91-1861-7d39-908c-a4a146c4e4e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069981
StatusPUBLIC

Content hashes

Canonical text45ebabdd46d2f6ce288cb4099e2706a24475d34204ceb76237b6fefdfbdb7029
Markdownb0a7b35e2bcd04b64a00587f663c272a8430e71c14904244b4c750d8837b7210
PDF
Publication pagef7a570a35a0fc42d5e985380674f489438c96dff176fab72a973ad4397c814ee
Manifest60d2cd70af54b6a390a9f536a3c7acc625b5f22f5ff8f85b4d6a39175773f355

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
SignatureePq5TEIXFIf8aSJhkIvU4BYfxdG9zKsAqzovD8FFzel3Ku61tgYS7JBQpJ/mMPW25crD2Sf/0CruiTpEC859DQ==
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

2026-09-17T10:26:55.584289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069981
observed f7a570a35a0fc42d5e985380674f4894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.565890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069981/manifest.json
observed 60d2cd70af54b6a390a9f536a3c7acc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.548574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069981/publication.md
observed b0a7b35e2bcd04b64a00587f663c272a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.531214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069981/publication.txt
observed 45ebabdd46d2f6ce288cb4099e2706a2...
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.