OpenTechnical

OT-2026-000042144

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000042144) never changes.

Identity and time

Publication numberOT-2026-000042144 · never reused
Internal UUID01a0ae7a-5d71-7406-a445-78600b45dc8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042144
StatusPUBLIC

Content hashes

Canonical text2cc3902f13535ff0a76a4fd929a1bfa7bd0d6923a0e3bc557c2c4f59beb25fcf
Markdownbb8f48df554a6dad0fb631e6470680f12559d16a687a7a5608c96df5fd3a7ee3
PDF
Publication pageacb49466e61971a08a11e935527f3a1db61dd0177ca3e7bcc1efad0502edefb9
Manifest67f0dfbbe7e651a15cf71e8236fe544657968da2536afb3dc4a6b788aa7bbdcb

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
SignatureKsUjtkpufSmaJu++1Ue9M+2gewI+tOIS+6a0mW21xscIixpkx60h3bqGOlGqdraBBCF9o+dh+x676H6Y7Ga4Bw==
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

2026-09-17T11:15:41.748608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042144
observed acb49466e61971a08a11e935527f3a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.730607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042144/manifest.json
observed 67f0dfbbe7e651a15cf71e8236fe5446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.710879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042144/publication.md
observed bb8f48df554a6dad0fb631e6470680f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.692235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042144/publication.txt
observed 2cc3902f13535ff0a76a4fd929a1bfa7...
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.