OpenTechnical

OT-2026-000091803

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091803) never changes.

Identity and time

Publication numberOT-2026-000091803 · never reused
Internal UUID01a0ae9d-43ba-71aa-820b-9df5699d4617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091803
StatusPUBLIC

Content hashes

Canonical textdc626dce692b1df5f26ca86fb2976ffaea7ca0bd3db8eb1fd3c1ed954e947151
Markdownd7d3a0e400d1f805a86cbe6670eaa151348047675064c4f79a191df0136cb7b6
PDF
Publication page9e0673d4bccc66d8c9a41d0d35f8556ad8a9dfce8dbfdf699ddbcea017b8a804
Manifest01eed47fbd83a857567817d221a1af42ec6bc00e2a9f91aac9ecb776b9c16cf9

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
SignatureDZX4zEGPyWG2D/y8+/+y3mGGLLFQH0hNvmGAoUHeLI9zLQKyc+88tdUJOAyzcuwTFsNwf2eCHhYtTWkXpM9QCw==
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

2026-09-17T09:42:42.235098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091803
observed 9e0673d4bccc66d8c9a41d0d35f8556a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.215449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091803/manifest.json
observed 01eed47fbd83a857567817d221a1af42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.196463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091803/publication.md
observed d7d3a0e400d1f805a86cbe6670eaa151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.178460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091803/publication.txt
observed dc626dce692b1df5f26ca86fb2976ffa...
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.