OpenTechnical

OT-2026-000034359

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000034359) never changes.

Identity and time

Publication numberOT-2026-000034359 · never reused
Internal UUID01a0ae75-df0e-7d93-bde7-5646667d70f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034359
StatusPUBLIC

Content hashes

Canonical text31964b0a97a6435d67443d44480c7f33a385f84bd86ffdb83dc44a203b03d11f
Markdownb1a2a19defefc8010dfd80c1ae8b2ad74b53d1313a85778de54ef1bc090140dd
PDF
Publication page116efdbfd90a613afba2ad3f622fcea9cbae2a1628fd2e78a0a26bddf73a80cb
Manifest33988dc628a2c12b57357c69c396eca2717d603104ab69165e3350d2437e4f6d

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
SignatureaI5qXu1VFlkMxqZ4D4EADJgHgYZpnu8P2DiE8fJLSfQVWmjGxKHgJTyURTkDCswFtespwBDHUhjLM8V6sCsDBg==
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

2026-09-17T11:31:03.820014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034359
observed 116efdbfd90a613afba2ad3f622fcea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.802282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034359/manifest.json
observed 33988dc628a2c12b57357c69c396eca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.783714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034359/publication.md
observed b1a2a19defefc8010dfd80c1ae8b2ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.764459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034359/publication.txt
observed 31964b0a97a6435d67443d44480c7f33...
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.