OpenTechnical

OT-2026-000102152

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000102152) never changes.

Identity and time

Publication numberOT-2026-000102152 · never reused
Internal UUID01a0aea4-50f2-75b4-8402-b829e0d542da · 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-2026-000102152
StatusPUBLIC

Content hashes

Canonical textdf39990e8d4866eb271a29ec01b18f2ef948993a18df1bf77e437f3bd92a6d05
Markdowndc1c5e13e6538bef5f865db2694065d3430879b1a564801f08b30b30f3107908
PDF
Publication pageae8e76d26754457835862aa23439f34308f500e4e7ccfafa8ed6115d0fcbd9ff
Manifest04c08542520011545319f973f7accb6c1787b04d2cffe6e45635ddc6b893a15f

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
SignaturejaXzjzEcHM1pmnGo8iVMxE0pP9T3dnPkOhx3dhsK49JG7eaDqxXFon9n0Za2M6NAnhiDcsEXBj3mkx/OLJB0Dg==
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

2026-09-17T09:25:19.104498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102152
observed ae8e76d26754457835862aa23439f343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.086205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102152/manifest.json
observed 04c08542520011545319f973f7accb6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.066970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102152/publication.md
observed dc1c5e13e6538bef5f865db2694065d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.047815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102152/publication.txt
observed df39990e8d4866eb271a29ec01b18f2e...
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.