OpenTechnical

OT-2026-000066029

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000066029) never changes.

Identity and time

Publication numberOT-2026-000066029 · never reused
Internal UUID01a0ae8e-8dc2-7910-a5d3-d50f6b3a7ba1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066029
StatusPUBLIC

Content hashes

Canonical textde611612268858c3d6b9cc2c6b3c9e310b1e0689b329e359c01712f89ef7b998
Markdown083de4481ba02b37c0f07ddb9ad3b62c5fccd41958fa91c57126ce52aeaa10cb
PDF
Publication page2742a2d188d3ced4b58df0adce2513b1cc5cd286d9163538fe7334cd772a4cda
Manifestf599ba0e8fe4ef96a964f50ac76a0b694b25089c0496c548cd6000e5bcbd9cd1

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
SignatureWbx+/zoJ3Pvcy7hse3TzKE7Qx8rEAWjvJUZNJhtY52FyLOe0Gkmkp3oV1UwGR3WSrs+yI0hnt006JxAj3jpgBg==
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

2026-09-17T08:50:36.310072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066029
observed 2742a2d188d3ced4b58df0adce2513b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.292265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066029/manifest.json
observed f599ba0e8fe4ef96a964f50ac76a0b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.273152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066029/publication.md
observed 083de4481ba02b37c0f07ddb9ad3b62c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.255878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066029/publication.txt
observed de611612268858c3d6b9cc2c6b3c9e31...
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.