OpenTechnical

OT-2026-000098689

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000098689) never changes.

Identity and time

Publication numberOT-2026-000098689 · never reused
Internal UUID01a0aea2-42ae-7b33-891b-b59025c6f900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098689
StatusPUBLIC

Content hashes

Canonical text48ec035b4d9904070452defac0d6a8cbe32493bca4d7d772aaf68ddc1d57669c
Markdown9016ba292f2b8c640a2e4dece0d5cfad6412e1d0a08a4ca888aeebc2e5dab05e
PDF
Publication pagec552398bd9476e4c7ca202a81b77b6675db95a012df358a4520b7104fb4f2082
Manifeste66616d6db3941c4dfd9d34b16220fcfc26dc2b7a7e7376f1cf65aa7145c2ccd

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
SignatureSWmFHHfkVn28/wBh2Zh5cKhIzqV3MN632wFqqRPtCzr7lUwHLy9/J65ReBc/cBN1N9jeW5tHbK2MwYv531FjDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:59.512340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098689
observed c552398bd9476e4c7ca202a81b77b667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.494863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098689/manifest.json
observed e66616d6db3941c4dfd9d34b16220fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.477719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098689/publication.md
observed 9016ba292f2b8c640a2e4dece0d5cfad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.460210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098689/publication.txt
observed 48ec035b4d9904070452defac0d6a8cb...
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.