OpenTechnical

OT-2026-000040572

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000040572) never changes.

Identity and time

Publication numberOT-2026-000040572 · never reused
Internal UUID01a0ae79-6d0d-7eaf-803d-de7eb8dbeee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040572
StatusPUBLIC

Content hashes

Canonical text25358d052f472f8b892df58d7a33e56afedcaf1cc2fe4e956d31a98e549eae10
Markdown84a7cf41e7bf9b5e333f560a894d4ac6a548cc46a5c391e2568929face18fbf3
PDF
Publication page36023602b006c56ed63f2b5794c11688bf1274d0ffcbac743af4be54f58af64e
Manifest80c532ef3502adc5d8242b8ef5f51939d5fabf718df47e6d3c06d0def163058f

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
SignaturesC1Y0UGYoxLdj4WJ62U881Zbs5gplc8Ry5BQqxiarrMITG9xKXJNCfrhywnzrL3zuF2Jq1HgxdelNqtAN0PQAg==
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

2026-09-17T11:17:44.168536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040572
observed 36023602b006c56ed63f2b5794c11688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.151787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040572/manifest.json
observed 80c532ef3502adc5d8242b8ef5f51939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.133948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040572/publication.md
observed 84a7cf41e7bf9b5e333f560a894d4ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.115424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040572/publication.txt
observed 25358d052f472f8b892df58d7a33e56a...
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.