OpenTechnical

OT-2026-000081832

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000081832) never changes.

Identity and time

Publication numberOT-2026-000081832 · never reused
Internal UUID01a0ae97-0f75-78f8-b8f8-d7167c5ad613 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081832
StatusPUBLIC

Content hashes

Canonical text3d9444e4cd453b618da45c1421a600581b6308eaf14f9c406ecd8f420249c3a4
Markdown0f1a9e18b5dc60993248fda09e21565398aaea18aada7b7d39952f5c98c2a86d
PDF
Publication pagee520bf6e232672b19240f8bc3f511ca0061c64600edb1a5083ebeb8c6652593a
Manifestc0dc94cd384b78f040f8e4317ae967bdc9e8043527e9ccab433193af6bddeb1d

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
SignatureRQlt3WSzRXmP2N8UTXjd8++aHDlNKKCXvxs9BxF2ya2fq+CtpulWJKeqbGq0BIwuAMu9c15sxEVzHXlbid3+Dg==
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

2026-09-17T09:59:56.574394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081832
observed e520bf6e232672b19240f8bc3f511ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.555854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081832/manifest.json
observed c0dc94cd384b78f040f8e4317ae967bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.537263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081832/publication.md
observed 0f1a9e18b5dc60993248fda09e215653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.511819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081832/publication.txt
observed 3d9444e4cd453b618da45c1421a60058...
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.