OpenTechnical

OT-2026-000066640

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000066640) never changes.

Identity and time

Publication numberOT-2026-000066640 · never reused
Internal UUID01a0ae8e-ce42-7254-bfe6-ad9e06c6a52e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066640
StatusPUBLIC

Content hashes

Canonical text9c4ed2756cde5cc75c5696e6483ae1e545188d762b5e191b86f4addd3faabaed
Markdown321eed55f93c482ede933b406f111d82a3e37519127f1801a6123e32c5188bd4
PDF
Publication page1bff1c7d5f46c8891849262864f36be3082e856d0b7fbefcb177c72b7f1e5eea
Manifest06a1e4a254cd5c91f21b0577ea58d2fb5462305a13a913d9b6ff4c4420ca7bdc

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
SignaturepU6O5z+mOPxoMNylcy4npJUl68zm7kvCh62XQYqmNtQ8sgreaEt8ErhsrdbCsBqrrFJp8+iDKTzV4sq2+caaBA==
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

2026-09-17T10:33:01.287555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066640
observed 1bff1c7d5f46c8891849262864f36be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:01.271051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066640/manifest.json
observed 06a1e4a254cd5c91f21b0577ea58d2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:01.254193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066640/publication.md
observed 321eed55f93c482ede933b406f111d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:01.236752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066640/publication.txt
observed 9c4ed2756cde5cc75c5696e6483ae1e5...
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.