OpenTechnical

OT-2026-000073049

Publication integrity record

Four cup 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-2026-000073049) never changes.

Identity and time

Publication numberOT-2026-000073049 · never reused
Internal UUID01a0ae92-c816-747e-895e-da8dc65ce911 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073049
StatusPUBLIC

Content hashes

Canonical textfeb07b33ebe38731c2c97034d5dcf74989b98ade41ffe9fb0f34880c7af07a82
Markdownb586d2bccb75c8ea324929ad9ff3f3d87723129d7ad355cbcd3141afe7ef60f3
PDF
Publication paged4b72553cb35731c10307b549acd7a6f519b65c335924255a5c559343f431fdc
Manifest036513243b8f43fc238caa8884e8af8b15f5ce80f878c8f354d4e13911a36320

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
Signaturei7k1zB3F7anTPGh8QCK7uAno9zvpiiyifyFTUSWEcnU75wnv27thxIRcPjJ6y4Ud3EhttehsHaQKFWYhLt21DA==
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

2026-09-17T10:21:59.604294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073049
observed d4b72553cb35731c10307b549acd7a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.586827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073049/manifest.json
observed 036513243b8f43fc238caa8884e8af8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.567676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073049/publication.md
observed b586d2bccb75c8ea324929ad9ff3f3d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.550517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073049/publication.txt
observed feb07b33ebe38731c2c97034d5dcf749...
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.