OpenTechnical

OT-2026-000048052

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000048052) never changes.

Identity and time

Publication numberOT-2026-000048052 · never reused
Internal UUID01a0ae7f-c423-7244-be86-1ebc5c461031 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048052
StatusPUBLIC

Content hashes

Canonical text7090ba461a8ce4b8971e8015dea1c96865392382aa95bf6e3eb01d90ad426b6b
Markdownc005f066ad29496f993009402d4bde3a807d16569e21f251542fda5ed0417294
PDF
Publication page64e8216e470a83580b8d22b65debfe84977059407f8aca76c9d176173d532213
Manifestb86919d78fa2db57ef69f0d32cfc40a71ef1559cfe57ed0468f375d06702b351

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
SignatureSY5+ged8LBeAVWOTQpjbMUs5IvmHqegH3Vu65udtj+NwvgFbtLbGRlWG13Z6Qc6pAoOWUhH4dwZf5NhVKLpmCA==
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

2026-09-17T11:06:03.498042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048052
observed 64e8216e470a83580b8d22b65debfe84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.480004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048052/manifest.json
observed b86919d78fa2db57ef69f0d32cfc40a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.461812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048052/publication.md
observed c005f066ad29496f993009402d4bde3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.443803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048052/publication.txt
observed 7090ba461a8ce4b8971e8015dea1c968...
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.