OpenTechnical

OT-2026-000032973

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000032973) never changes.

Identity and time

Publication numberOT-2026-000032973 · never reused
Internal UUID01a0ae75-4843-7923-9407-2b20fa640e2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032973
StatusPUBLIC

Content hashes

Canonical text3c42214bfa493a082c18760c0cfbd100628580e138ba95c204352299eca992a0
Markdown7539bf35c3401d4d61a6738e61224d1e822bd4c89dc60431b53eb6e962633c6c
PDF
Publication page11f3982d6b49bb75a57384ec880c4d6573102d1a8994b673d41239e90b042e5c
Manifestffbb7953e4d1a5678dd9a0a2eb6efe51117f4ed997ad7d2f2233a96f57eca0f8

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
SignaturebIzG0SSVLg0kxhXizUxwIH5AlJKPP2+gSp/nxyajQ78m6jafCRz7Q8KiPjGMeuhzLr9MLCYxFWJciUk4/zHIBA==
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

2026-09-17T11:32:34.972128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032973
observed 11f3982d6b49bb75a57384ec880c4d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.953831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032973/manifest.json
observed ffbb7953e4d1a5678dd9a0a2eb6efe51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.929918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032973/publication.md
observed 7539bf35c3401d4d61a6738e61224d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.904482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032973/publication.txt
observed 3c42214bfa493a082c18760c0cfbd100...
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.