OpenTechnical

OT-2026-000043904

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000043904) never changes.

Identity and time

Publication numberOT-2026-000043904 · never reused
Internal UUID01a0ae7b-d678-7d52-ad81-5d8bd88f8724 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043904
StatusPUBLIC

Content hashes

Canonical texte3b65b6f1bf468df42b4dbaa30c4fc7bff49d7e948ffe5cfbede4f717c58bb74
Markdowne1f33c166953e4fc1e76ce3728fa603e699469c4c4dac417594c3d7e95a3e6c7
PDF
Publication page36696f9f6dee2ab7fbefeeff5296982d948fb4f86793f4ce6fbe23bf7bfd264c
Manifest5b14e4355c110f99dc90b6da5e3d8f92fe8982cb89154cde13e51e95b75cb071

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
Signaturea9l5qvc17OebKB1Gd4McOXhBu2mO9GIuWqh9JtzwARKSmSmm9JvRI2DsVyQ36XsOC94b+2vX7LOH8ZfH5T/aDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:14.540847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043904
observed 36696f9f6dee2ab7fbefeeff5296982d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.524095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043904/manifest.json
observed 5b14e4355c110f99dc90b6da5e3d8f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.507351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043904/publication.md
observed e1f33c166953e4fc1e76ce3728fa603e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.488343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043904/publication.txt
observed e3b65b6f1bf468df42b4dbaa30c4fc7b...
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.