OpenTechnical

OT-2026-000068901

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000068901) never changes.

Identity and time

Publication numberOT-2026-000068901 · never reused
Internal UUID01a0ae90-6dcc-76d9-bea9-25928c54e613 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068901
StatusPUBLIC

Content hashes

Canonical textfb856b769aa7b7241f9e7d5e960f538fb473bfc28893c8fbe67dac7870040d37
Markdownc1c6f82a7e75b6a4f12fd07474551e66bd6a0d7a675fd6821af6cf51618def83
PDF
Publication pageb086f4a1d1ed8cca65529481b191dd375f484fd7f8a6cb772c841a4cc261f736
Manifest9873b12e1ea7b2f2eec4ce0a8ede92fc8a52e743be5c5de845a226ec6ae7bc2a

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
SignatureSYrraKy6sKVZNoQu3JGQjgHsRviJh3ROFqmyqeN2yu9v1YTrHzCQUv1r4EJOB0dOiy9ScRKAJlnmoPrhA30fAQ==
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

2026-09-17T10:28:43.381289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068901
observed b086f4a1d1ed8cca65529481b191dd37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.364032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068901/manifest.json
observed 9873b12e1ea7b2f2eec4ce0a8ede92fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.345484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068901/publication.md
observed c1c6f82a7e75b6a4f12fd07474551e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.329183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068901/publication.txt
observed fb856b769aa7b7241f9e7d5e960f538f...
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.