OpenTechnical

OT-2026-000048531

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000048531) never changes.

Identity and time

Publication numberOT-2026-000048531 · never reused
Internal UUID01a0ae80-4de6-76ed-a326-33b6f25ba2b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048531
StatusPUBLIC

Content hashes

Canonical text92a8440fdbf42edbd076bbc0e9ebb60e39459f1f2eb5fb8a83bee1fc628f0a76
Markdown06793056b1a6a5e4b0d1154de5852b55b3e30118cc1c585c28cdda8efbae3be5
PDF
Publication pagee7aeeba1a407eff0c22b9b3d488fb46cb201feaa67ab26a8149949e84f3aa7fd
Manifeste3b86640c561517c5996181fecd38eb8b0d5f96d3506c1598214c65176c1a113

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
Signature0V8uiNXsls2VTLCB2kRyCphzIlocRQrgSnPnRW+GSJEqKUyMedrlgy/HSIaDzeAwtfpcDZaqjxlWUq1x+n2ABQ==
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

2026-09-17T11:05:19.185776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048531
observed e7aeeba1a407eff0c22b9b3d488fb46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.167422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048531/manifest.json
observed e3b86640c561517c5996181fecd38eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.146914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048531/publication.md
observed 06793056b1a6a5e4b0d1154de5852b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.127107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048531/publication.txt
observed 92a8440fdbf42edbd076bbc0e9ebb60e...
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.