OpenTechnical

OT-2026-000076196

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000076196) never changes.

Identity and time

Publication numberOT-2026-000076196 · never reused
Internal UUID01a0ae94-6a6f-73ee-81e4-cc780c108a9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076196
StatusPUBLIC

Content hashes

Canonical textbade8c28456efa302809300296b8f826e26d97b4d9ca4f49b5cd5fdf42127336
Markdownfa1553f6752b447832490a222e177f62464a695105f5db67e0033f8454104566
PDF
Publication page6a0356f82e16fb6cc58ec6357c0e33c1d88f1eea2263565bba965ad2cea9eeeb
Manifest825539044b7ab32e7245c27e32b5e994d8ff6a0837d3819b6fd4fa4807e1e1a7

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
SignaturefbLXAMgMTBzfndJyRBxEEvZYMT/EHl5TmZ1RE2CY4PJ+Uwgj7QZAg8Hh23gcvFvIyFugjug6HbhsszCfVSXbCA==
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

2026-09-17T10:11:31.786149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076196
observed 6a0356f82e16fb6cc58ec6357c0e33c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.769959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076196/manifest.json
observed 825539044b7ab32e7245c27e32b5e994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.694815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076196/publication.md
observed fa1553f6752b447832490a222e177f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.476125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076196/publication.txt
observed bade8c28456efa302809300296b8f826...
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.