OpenTechnical

OT-2026-000014709

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000014709) never changes.

Identity and time

Publication numberOT-2026-000014709 · never reused
Internal UUID01a0ae6d-d093-7e8f-bcb2-a7b5287d331b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014709
StatusPUBLIC

Content hashes

Canonical text689316c2d33827ddf7a4086f85af622ec0a97562baf3c538b5bb2fe5c6a79b4b
Markdown529cc3af822aad47657b6f6b8d2e2c7935359332259494e1760bc5e523696a2d
PDF
Publication page05474493befaaad14982c17f9884077f98e00c082d4356e08933e90ad9629018
Manifestb92b75c6a2b49d25c315619641a632ac90fcd22cd1e2adbc9353b1943a474788

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
SignatureLSdwSnGak4jvN0gYT7eAGKwmerXN9gKyGnnm//sortJ3Htflxc7xKiIcx92RBbSaxojII/dJ6EOgkFF9olWmCg==
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

2026-09-17T12:06:34.365453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014709
observed 05474493befaaad14982c17f9884077f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:34.343820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014709/manifest.json
observed b92b75c6a2b49d25c315619641a632ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:34.325249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014709/publication.md
observed 529cc3af822aad47657b6f6b8d2e2c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:34.304523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014709/publication.txt
observed 689316c2d33827ddf7a4086f85af622e...
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.