OpenTechnical

OT-2026-000020930

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000020930) never changes.

Identity and time

Publication numberOT-2026-000020930 · never reused
Internal UUID01a0ae6f-65e4-7a45-ad57-b61f4c136078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020930
StatusPUBLIC

Content hashes

Canonical textd0bef61445b7866a18643228412b608154608970bed8016e8f5042a5972f4ba2
Markdown65ae12f92bc6a4c43e4408992ddf89973a3966f38309b144c73fcc078230f460
PDF
Publication pagef55ede27499afe1d2a8dec1042a976aac25148f3f3d182f570101c0294c3babd
Manifest64b216095d059608ba0371086db04caed83c84fc1bfc863d43189174e6c07a68

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
SignaturehQLdHyT/88ledwHn4fTOVWV1oddFxAwBmVJHs3Em9IXORn5Owjl1p2SmSdSkaf+0o9jVRdTJyWLCwYNaIySFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:03.403696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020930
observed f55ede27499afe1d2a8dec1042a976aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.383914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020930/manifest.json
observed 64b216095d059608ba0371086db04cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.366304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020930/publication.md
observed 65ae12f92bc6a4c43e4408992ddf8997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.348910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020930/publication.txt
observed d0bef61445b7866a18643228412b6081...
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.