OpenTechnical

OT-2026-000072851

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000072851) never changes.

Identity and time

Publication numberOT-2026-000072851 · never reused
Internal UUID01a0ae92-89da-742c-8270-6d0d7519b70f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072851
StatusPUBLIC

Content hashes

Canonical textf59144a3f476f8a844e9f4ec72dd9f8227cb52f7a710caf1462131c491de7c89
Markdowne03187f9bd17f634937d88017bab86b044793d692c0a018bf531fe21d027d6c0
PDF
Publication page9f25fc448c46a8b84889361c58710ce42f9422bfb7183f5e4fa6b6994df95e76
Manifest5bd3d1c0ca26ba42e037c8ef3f14a56f815059621060c7168a93e65a3cea332e

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
SignatureT8oLUPtp2LhKgtLkG41GK2kRaemZLMY73Gb77bYjSu2ZK6//z/jqG1s4yI/nC13hikc/PF670S6u+oFh44rrCg==
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

2026-09-17T10:22:46.437918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072851
observed 9f25fc448c46a8b84889361c58710ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:46.421009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072851/manifest.json
observed 5bd3d1c0ca26ba42e037c8ef3f14a56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:46.403952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072851/publication.md
observed e03187f9bd17f634937d88017bab86b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:46.388188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072851/publication.txt
observed f59144a3f476f8a844e9f4ec72dd9f82...
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.