OpenTechnical

OT-2026-000102344

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102344) never changes.

Identity and time

Publication numberOT-2026-000102344 · never reused
Internal UUID01a0aea4-50f4-7b24-bc0c-239d827d3f74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102344
StatusPUBLIC

Content hashes

Canonical textfecfd287b60c9c3714232b4ee25f7b454e9ef2af1f51781420e87ba0ada286e0
Markdownf8dc170cfebe3fd539a48452ab95437c08857b7fcf9ff13e18331a430fe29461
PDF
Publication page433ee515d3930ae76704f8eeef246c5b0480a8294d2fab419a8169d02de6c193
Manifest191fb8c5c553154ad9c69d7f42ae3ff592317f62f3aaa9365437dc466d238178

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
Signatureve5eefeyqcZZoRSbMVbtN6H5hUoUx1JtNlUQUNtfHgRdes7USUKOuN5fllZImQ95lYzMMytulwEoelVS9knmCw==
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

2026-09-17T09:25:33.291540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102344
observed 433ee515d3930ae76704f8eeef246c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:33.273177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102344/manifest.json
observed 191fb8c5c553154ad9c69d7f42ae3ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:33.256557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102344/publication.md
observed f8dc170cfebe3fd539a48452ab95437c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:33.238530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102344/publication.txt
observed fecfd287b60c9c3714232b4ee25f7b45...
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.