OpenTechnical

OT-2026-000025572

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000025572) never changes.

Identity and time

Publication numberOT-2026-000025572 · never reused
Internal UUID01a0ae71-5fa8-786b-a66c-e3749208042c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025572
StatusPUBLIC

Content hashes

Canonical text7d35c7bbcbafab02d59886bf3ee84a8acf4da40a93d8513923a360ac31520f36
Markdown4f6296d975e0ecdb59c8bc0f949616c3823c6aa5b791b3050c2f9fb109426db9
PDF
Publication page9c68ad8e5c1a96c673e912073ff91e36ea7fb213ea5568341b8e0f7cd1d1d1dc
Manifesta679f66dcf913272df223f103477427829b1e5e02e027dba2aba10dfaf547ec7

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
SignatureZcQi6KYfsbcDr073odghUVczQPIlFV9F+tFSgPVjAqT7D8WpWxCqkRF6imeVjpXaCbcHK6wedsebZ7FVPcMbCQ==
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

2026-09-17T11:47:44.019694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025572
observed 9c68ad8e5c1a96c673e912073ff91e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.999029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025572/manifest.json
observed a679f66dcf913272df223f1034774278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.979565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025572/publication.md
observed 4f6296d975e0ecdb59c8bc0f949616c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.958540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025572/publication.txt
observed 7d35c7bbcbafab02d59886bf3ee84a8a...
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.