OpenTechnical

OT-2026-000084610

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000084610) never changes.

Identity and time

Publication numberOT-2026-000084610 · never reused
Internal UUID01a0ae98-e25b-725b-bb1e-30e5a3f79a94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084610
StatusPUBLIC

Content hashes

Canonical textd714b7c8f099f6b6c7fe7af2279805e16944054e1301313c8c0b01fe09cb076f
Markdown7717d8f2840ed4c20dcc694bb2e9aa0ff56be537b78d88da51d8878c6cf9024f
PDF
Publication pageea4eed4eccbe026a6b861a4d21402b278cf9a85796086b5be86c073ee8f331eb
Manifest774107af391b47b7c9b6109e234a46ff7d9326c304cc6d5fa7539ca219b492ad

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
SignatureoV3oAjqurrK52T0dvwKORANh5RyEVXnVZPliInCbl8lCz2jUIeDLg5eVrP3REmfloGx9t1fv8hb2rFaKKbBcCg==
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

2026-09-17T09:55:31.217880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084610
observed ea4eed4eccbe026a6b861a4d21402b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.199471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084610/manifest.json
observed 774107af391b47b7c9b6109e234a46ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.179671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084610/publication.md
observed 7717d8f2840ed4c20dcc694bb2e9aa0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.162753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084610/publication.txt
observed d714b7c8f099f6b6c7fe7af2279805e1...
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.