OpenTechnical

OT-2026-000064409

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000064409) never changes.

Identity and time

Publication numberOT-2026-000064409 · never reused
Internal UUID01a0ae8d-a461-738b-9e31-02d8e3cb4400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064409
StatusPUBLIC

Content hashes

Canonical textba29c2e7d3e3042758619241e4b436017112abeb2e320d4d46277e9965000fb9
Markdown830e15856449071e2e1f45e0ab02da4c3fc78a7c7923ac1591d003343488e1d5
PDF
Publication paged725dbb5a9a25b65391aebb2fae6b766cc29ef296beb79b5fec912a68dcbab7c
Manifest40f8bb24fea478957505f58dc1cd44c4ec557ecb77a7803bb6c7b1bf834c0252

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
Signaturen6BmWZM2bmF6+TLzDsBUjpPpaV+S3HStWgfOpVKZadBq31xWqoOraD0Ct2ennfNRTZD1uFfxXHIImcawrCdeBQ==
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

2026-09-17T10:36:35.237649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064409
observed d725dbb5a9a25b65391aebb2fae6b766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.217331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064409/manifest.json
observed 40f8bb24fea478957505f58dc1cd44c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.197379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064409/publication.md
observed 830e15856449071e2e1f45e0ab02da4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.179322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064409/publication.txt
observed ba29c2e7d3e3042758619241e4b43601...
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.