OpenTechnical

OT-2026-000104206

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000104206) never changes.

Identity and time

Publication numberOT-2026-000104206 · never reused
Internal UUID01a0aea5-3420-7308-9297-03b7106df421 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104206
StatusPUBLIC

Content hashes

Canonical textda880f707bdad0526ef7f268fa6f19d5ad04a22f4746cb17843a48dd7829b4a6
Markdownbf3061d97d5b845ca8149b101ee291f9583bbd86fc0d3e8449c90d402249aa36
PDF
Publication page65d617ecf4f9c8e26b7e0043549e475efeeda958f540d7735214e6c6ca838713
Manifest45b4b0892b85672d8aeadc59969f42e71fbfa0c200cfc1fa225f719052f0862a

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
Signature24PW+wU/muxUnzCfWsbduNJ/D2hNbMUABchTLigEOWZZ6w3PX56vHRuu20xWuOjf84aDWhnCSBJ3apRjlj9xDg==
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

2026-09-17T09:20:18.356950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104206
observed 65d617ecf4f9c8e26b7e0043549e475e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.338679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104206/manifest.json
observed 45b4b0892b85672d8aeadc59969f42e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.320428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104206/publication.md
observed bf3061d97d5b845ca8149b101ee291f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.302869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104206/publication.txt
observed da880f707bdad0526ef7f268fa6f19d5...
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.