OpenTechnical

OT-2026-000029213

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000029213) never changes.

Identity and time

Publication numberOT-2026-000029213 · never reused
Internal UUID01a0ae73-2aa0-734e-a703-545668113874 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029213
StatusPUBLIC

Content hashes

Canonical text38e0468c4cd57b170a4a196004fad143ed3e85e98a4f11502de755ed578e564b
Markdown8d42a86e0827d79aeb8e942133a7401589644652178be9579c2a9c93c43f9675
PDF
Publication page50eaa6f01431c5e953c0dcfb31d50937e0a283b5290591ab712ef7ec2b6fa4b6
Manifest9406a98ead7f4d5e6b4ca8d47b9a3efdabe7026a6b0a04333cf4b00abad6177d

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
SignatureRQEYi38h7fy7IrG8S/nvZ9WpQqJf6nP9yrRlIIhCLNFWgiQ4DIl4q6bZUACI43ldeetonEITIbMPTKMzKI0UDQ==
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

2026-09-17T11:39:49.892192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029213
observed 50eaa6f01431c5e953c0dcfb31d50937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.872645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029213/manifest.json
observed 9406a98ead7f4d5e6b4ca8d47b9a3efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.853807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029213/publication.md
observed 8d42a86e0827d79aeb8e942133a74015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.836942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029213/publication.txt
observed 38e0468c4cd57b170a4a196004fad143...
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.