OpenTechnical

OT-2026-000042305

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000042305) never changes.

Identity and time

Publication numberOT-2026-000042305 · never reused
Internal UUID01a0ae7a-5d73-7a02-83f0-93df3706ac05 · 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-2026-000042305
StatusPUBLIC

Content hashes

Canonical texte3adebc1280ce9117ff774ea1789b484afe9ac2ada06daf21167c5116ae57d0a
Markdowna81af1f2c67cb1f081faed006abab29f2360df060e5f50c8980382f06313d8cd
PDF
Publication page6c36b03c5c591ed77e74b11f97127b8abd721681cfc20ff4ef4524c3d3018896
Manifestd4948ad600e45620e9d50a20d0ac497a66a0e126ef4ec1033f337efce9987ade

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
SignatureT1fW5iOp26/PnfLgKym1xvmXySlqjZYj9QsRokOuqwOJ/QkdCDF/j8gHO5m/VIyWJahgLS7inrbwHCqq9SenCQ==
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

2026-09-17T11:16:00.291211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042305
observed 6c36b03c5c591ed77e74b11f97127b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.274140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042305/manifest.json
observed d4948ad600e45620e9d50a20d0ac497a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.256230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042305/publication.md
observed a81af1f2c67cb1f081faed006abab29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.238216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042305/publication.txt
observed e3adebc1280ce9117ff774ea1789b484...
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.