OpenTechnical

OT-2026-000041701

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000041701) never changes.

Identity and time

Publication numberOT-2026-000041701 · never reused
Internal UUID01a0ae79-e8a1-718e-93b9-429fdec28675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041701
StatusPUBLIC

Content hashes

Canonical text243735999d53ced558210965e0d3deacbaaeb6549263f247c4bbe27bda30da73
Markdownb21923725b90a2e2c22bf1d37adaa1e8c3f0da7cd21fce4aa86544aff201da06
PDF
Publication page71c872e7cf83e64474652d9988d04e25ae01c413b284f85a06aefff9ef9921e3
Manifestea1ff3010e67e605d3d2a865473609d9ed84e761274b4c7cc6bd1afcce5a8c2a

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
SignatureHKn3Wd4KhZjJ4KOVRkVzE8B9v98DxeuGFAI7RFMSa5Pzr5g8vPxpLMLUi3hm7Zrb/pk14UtZzNRvIYXMBuJzDg==
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

2026-09-17T11:16:30.840408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041701
observed 71c872e7cf83e64474652d9988d04e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.824759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041701/manifest.json
observed ea1ff3010e67e605d3d2a865473609d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.808124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041701/publication.md
observed b21923725b90a2e2c22bf1d37adaa1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.790004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041701/publication.txt
observed 243735999d53ced558210965e0d3deac...
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.