OpenTechnical

OT-2026-000022409

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000022409) never changes.

Identity and time

Publication numberOT-2026-000022409 · never reused
Internal UUID01a0ae6f-f4fd-7f36-984e-25f640dc1d28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022409
StatusPUBLIC

Content hashes

Canonical text3eccb7d9cc9033f0818bd7287f449ea107d30fd24d0e5f3bc6eb4018986c3390
Markdown85ce2dd9cd132d2c27c565e923b766423c45b78e382373b82d627a78e52e0f01
PDF
Publication page39792149541c0bec8ec0da2636b1dd740b190e64b3ccbe48267c1e8ec7092c9b
Manifest9a7f17e735486ffe3834a58e885686e74149185d8aca9520dcfe969b1bac1c5c

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
SignatureMUFE2zkzfCcZ3DMfhdLw0kkg4kvg9XZqh4qbXVffKPnXZ5a58XlqGyimRndC7kAf5phcCLqx3qg8iyTypDRSAg==
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

2026-09-17T11:53:47.697668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022409
observed 39792149541c0bec8ec0da2636b1dd74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.680723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022409/manifest.json
observed 9a7f17e735486ffe3834a58e885686e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.662854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022409/publication.md
observed 85ce2dd9cd132d2c27c565e923b76642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.643419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022409/publication.txt
observed 3eccb7d9cc9033f0818bd7287f449ea1...
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.