OpenTechnical

OT-2026-000077083

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000077083) never changes.

Identity and time

Publication numberOT-2026-000077083 · never reused
Internal UUID01a0ae94-f507-74f6-90f5-c2544d4b8701 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077083
StatusPUBLIC

Content hashes

Canonical text3a059c258c5bdad75b2b6794bf6af1ed9ae52dfb9e00f692d67e36253dcd0f0b
Markdownb5f84ec934eee7ef2fc663c80450b84402c3a8354f252321f2fedf476ecac772
PDF
Publication page1a2b04e3a43da8c15eb0cff2f64288f57406b8a1cf238fcb61b6dce5a502bff5
Manifestc6ce972830dfe0d5c294e2bb51d0eb607d46e2c0800a084128956b6cc7850edd

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
SignatureOUVvEb+hNFjOtIJJ+z3/agQEggj/+pApbqTQuWeToDFPKwCbdH+e9j7MlFVl0wSEe70mOllm6umpmGg8pSnzDg==
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

2026-09-17T10:11:29.027534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077083
observed 1a2b04e3a43da8c15eb0cff2f64288f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.006480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077083/manifest.json
observed c6ce972830dfe0d5c294e2bb51d0eb60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.991173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077083/publication.md
observed b5f84ec934eee7ef2fc663c80450b844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.974525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077083/publication.txt
observed 3a059c258c5bdad75b2b6794bf6af1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.418826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077083
observed 1a2b04e3a43da8c15eb0cff2f64288f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.401298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077083/manifest.json
observed c6ce972830dfe0d5c294e2bb51d0eb60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.383042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077083/publication.md
observed b5f84ec934eee7ef2fc663c80450b844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.366551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077083/publication.txt
observed 3a059c258c5bdad75b2b6794bf6af1ed...
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.