OpenTechnical

OT-2026-000064900

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000064900) never changes.

Identity and time

Publication numberOT-2026-000064900 · never reused
Internal UUID01a0ae8d-debd-7aa1-945a-a6f8ea5125b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064900
StatusPUBLIC

Content hashes

Canonical text02e8c304ed4dc89e57577729b5ffe4b79387267c2224fc9e956b0a29148390c3
Markdownd9fae0644501bb542011d5f6084bbe01a35bd2b70ce25c2abc1aa88331416254
PDF
Publication pagee4db5127dc13f9b7cbf333925fe781188403c0a7368e708272ccf30aafb43b1e
Manifest4123ae757eabd0a3af54cd58fc080e58c60f2e351b2b125971de59a2b653f43a

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
Signaturet+yi2WpZIxfnvuFNCvVmWOaQvFrS+wTlgRIlTTj85ozOyn3y1ODQjVCflA8yZ1aotsa5LkW3mwTxwXdRfnw6Dw==
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

2026-09-17T10:35:49.793754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064900
observed e4db5127dc13f9b7cbf333925fe78118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.774227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064900/manifest.json
observed 4123ae757eabd0a3af54cd58fc080e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.755718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064900/publication.md
observed d9fae0644501bb542011d5f6084bbe01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.738866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064900/publication.txt
observed 02e8c304ed4dc89e57577729b5ffe4b7...
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.