OpenTechnical

OT-2026-000042269

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000042269) never changes.

Identity and time

Publication numberOT-2026-000042269 · never reused
Internal UUID01a0ae7a-5d73-782a-8572-e8c4a8e00a74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042269
StatusPUBLIC

Content hashes

Canonical text04a483c151b3a190f253e00ee6e8cc8c0879051cdc3d86b0f766aecfbb02dd6f
Markdowna7867f747495d5bc7099a84fef9a088a3082868869519f354989901b4bf3e2a1
PDF
Publication page43b8feb66d3bff3c8968f44c6546bcde822681737ac28b61d0640eb3d4257a72
Manifeste81a57c40220984f1265da14e4e14322817a518bab4abddf61a9fb21ddb0fe99

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
SignatureTawx7NPZPuTFizNRE1O3U6WmLecGHfUesbWlO7uu8g86sOn55rwrf8sbYFC82V9rbaShwMne0m+xQz+ndgKlAg==
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

2026-09-17T11:15:57.451379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042269
observed 43b8feb66d3bff3c8968f44c6546bcde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.432503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042269/manifest.json
observed e81a57c40220984f1265da14e4e14322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.413471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042269/publication.md
observed a7867f747495d5bc7099a84fef9a088a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.394799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042269/publication.txt
observed 04a483c151b3a190f253e00ee6e8cc8c...
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.