OpenTechnical

OT-2026-000095475

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000095475) never changes.

Identity and time

Publication numberOT-2026-000095475 · never reused
Internal UUID01a0ae9f-8f73-738d-9693-c9e19da21308 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095475
StatusPUBLIC

Content hashes

Canonical text12ca4ec21892605ffe3c38a153e8f70ee0ec712055de1fd720fe4a16f4d2fdf5
Markdown98342c870eaf1808fc7ad16f8e55db1a31e02208f28f549b0ed39535bf88a8bd
PDF
Publication page2ed1ad64f696e1f404d6cecb2767f1b2b4ba0b8229e36f706f30bee406d5265a
Manifest581c886ed6fc992469da11a4b96966b147a1a4bcd307b0e9e842915016d7d01b

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
SignatureEHQImcbUuYcqiGHJUP5pBQklwSyNrIgGJtRxX5YC0hrTsf2tyXgfM89eIhvG3jX12rgc2meBO3ruewGhxqqlBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:23.171696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095475
observed 2ed1ad64f696e1f404d6cecb2767f1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.154523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095475/manifest.json
observed 581c886ed6fc992469da11a4b96966b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.137751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095475/publication.md
observed 98342c870eaf1808fc7ad16f8e55db1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.119587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095475/publication.txt
observed 12ca4ec21892605ffe3c38a153e8f70e...
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.