OpenTechnical

OT-2026-000017943

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000017943) never changes.

Identity and time

Publication numberOT-2026-000017943 · never reused
Internal UUID01a0ae6e-96fc-7539-b61c-feae0c22e219 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017943
StatusPUBLIC

Content hashes

Canonical text73bbbc20b147cbfd6a7c205909a998153cc2fb99ec902852cd5259047c031cf1
Markdown7cbb377f7fba690294820254a72687def4a3cd5845e1537f06c5639c3469a3cf
PDF
Publication pageaaec32ce3cfc6b4b20f0bbf3112b7218553927bb19f660c1e87bae9ef5b1fa98
Manifestb360bcd60cdbe8661af7c885080cc92a0d99487fc8329effc4eef81e83580089

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
SignatureqykwZpZAVfCU0c4WdPxODrBpQEIOr8KABQBxdUNRmIksHbGGmIDhCEu+3RwZKtZBifBAieMn2uU1pP+puCfeAw==
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

2026-09-17T12:01:56.488808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017943
observed aaec32ce3cfc6b4b20f0bbf3112b7218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.470912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017943/manifest.json
observed b360bcd60cdbe8661af7c885080cc92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.452009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017943/publication.md
observed 7cbb377f7fba690294820254a72687de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.432673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017943/publication.txt
observed 73bbbc20b147cbfd6a7c205909a99815...
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.