OpenTechnical

OT-2026-000006517

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, ejector fed, silicone cups, flat form

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-2026-000006517) never changes.

Identity and time

Publication numberOT-2026-000006517 · never reused
Internal UUID01a0a95d-fc7c-756a-9e47-ce9bc26ff0f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:24.127133Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006517
StatusPUBLIC

Content hashes

Canonical textf5562ed108db270267cd90e81de64aa41113fe8f93b8eb4ac1963b739d45ab94
Markdownb3a87f08530cac39e5d815143387a5133411ec27b557490814d5adc7348d9796
PDF
Publication pagea4b079a3ae5e9b8b4f99e9ab1d236c5fab603608f85f7b1649ffca4049e106aa
Manifest8ccc7d3420a4d91340fca2e0e629ff88d68a5b79032108fcf035d48443ce63f5

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
SignatureQ2ygyBMYFfO0owiTx9ZJq19nlraC7Bn1x5xX7jBiG7YR04QqA97wIX6bgW59vkf7LjXj5HL+zU3g09st0RdpCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T20:42:14.588545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006517
observed a4b079a3ae5e9b8b4f99e9ab1d236c5f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:14.460513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006517/manifest.json
observed 8ccc7d3420a4d91340fca2e0e629ff88...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:14.340220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006517/publication.md
observed b3a87f08530cac39e5d815143387a513...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:14.211629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006517/publication.txt
observed f5562ed108db270267cd90e81de64aa4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.196026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006517
observed a4b079a3ae5e9b8b4f99e9ab1d236c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.181747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006517/manifest.json
observed 8ccc7d3420a4d91340fca2e0e629ff88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.168100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006517/publication.md
observed b3a87f08530cac39e5d815143387a513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.153692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006517/publication.txt
observed f5562ed108db270267cd90e81de64aa4...
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.