OpenTechnical

OT-2026-000088409

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line 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-2026-000088409) never changes.

Identity and time

Publication numberOT-2026-000088409 · never reused
Internal UUID01a0ae9b-5d27-72ab-a611-418cd2c12ca1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088409
StatusPUBLIC

Content hashes

Canonical text32152ff87db6d872845c0501abc221d2faf94ff35f3a30edfa7b907fe2f32f4b
Markdown3d784f920eed878b5280e5458db4f314669e7fb17067edf43be79b42c5105b70
PDF
Publication page58f879bdd91edf87c381e31050c238e3ab9759d7665a4fa87067982c97de135f
Manifeste9fb88fbc6b528cc81e1365d645ca64d26e209b01545b7e3dbcb7adef6682d96

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
SignatureN/qb8D7ozRqScWZCGMct7TCMyr28yAVt9Vk5jDSczQ4jeqB6nAeqD0dQrYbjO8fl6T/sLVaFR4uKEysFOMydDw==
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

2026-09-17T09:48:46.399626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088409
observed 58f879bdd91edf87c381e31050c238e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.381222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088409/manifest.json
observed e9fb88fbc6b528cc81e1365d645ca64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.361993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088409/publication.md
observed 3d784f920eed878b5280e5458db4f314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.342268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088409/publication.txt
observed 32152ff87db6d872845c0501abc221d2...
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.