OpenTechnical

OT-2026-000087952

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000087952) never changes.

Identity and time

Publication numberOT-2026-000087952 · never reused
Internal UUID01a0ae9b-1aa6-7f5a-8e2a-090b40a15c9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087952
StatusPUBLIC

Content hashes

Canonical text31ace7af7a4ac1766bf6c9de7c87ab752264ce060472f9c49e661c9fb0f454b9
Markdown97290d98d3c57489ce09179882949b52919e5e0592c9802038b23a044a150964
PDF
Publication pagea13e63239eb38666c63cb7bbcb9f3205349c84b8b405283107bb323bfb6de069
Manifestb45feddbf69541297fc5236467d1153dfa55b02ed151ef1abedeaa31a3d8e52c

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
SignaturePDG6DUKXWAV/Z7vpH77LI/mQrtWw6zrKdKRcybIYEbXmBgCsi+BVZX004eszgo8i+CxTdGgzi9kaVPwj4iNNCg==
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

2026-09-17T09:49:14.406861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087952
observed a13e63239eb38666c63cb7bbcb9f3205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.389013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087952/manifest.json
observed b45feddbf69541297fc5236467d1153d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.371652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087952/publication.md
observed 97290d98d3c57489ce09179882949b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.353119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087952/publication.txt
observed 31ace7af7a4ac1766bf6c9de7c87ab75...
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.