OpenTechnical

OT-2026-000034720

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000034720) never changes.

Identity and time

Publication numberOT-2026-000034720 · never reused
Internal UUID01a0ae76-1ed2-7fa5-9712-3ac995515c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034720
StatusPUBLIC

Content hashes

Canonical text44bca9acb72ba71d2791c8e0df150ffe6ebae43b0c867f50a2ce3d3414d9291f
Markdown392483a0310e77c6c1ef9294f33fb90d3deba983f6873f6ce4a80cd76eb9d1c2
PDF
Publication page692ef094da38da81224688c47dce5272c4bc70bdb3bbf84ef07659dd78f3aa45
Manifestf5cf1f45a95648c4c385bdb6f5065f9593d27c7ef44d547e4f224ea78e170ed5

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
SignaturestbTwbIQNCz0VXC1X6QoWwwQ6rwv6cBOE++303JPx5s8JCylMo/k1UYpWLzUvcIkcTYF/J37M4khsQPStN7LBA==
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

2026-09-17T11:30:07.366331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034720
observed 692ef094da38da81224688c47dce5272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.345768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034720/manifest.json
observed f5cf1f45a95648c4c385bdb6f5065f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.324801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034720/publication.md
observed 392483a0310e77c6c1ef9294f33fb90d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.302615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034720/publication.txt
observed 44bca9acb72ba71d2791c8e0df150ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.107704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034720
observed 692ef094da38da81224688c47dce5272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.089705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034720/manifest.json
observed f5cf1f45a95648c4c385bdb6f5065f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.073115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034720/publication.md
observed 392483a0310e77c6c1ef9294f33fb90d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.056676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034720/publication.txt
observed 44bca9acb72ba71d2791c8e0df150ffe...
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.