OpenTechnical

OT-2026-000062228

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000062228) never changes.

Identity and time

Publication numberOT-2026-000062228 · never reused
Internal UUID01a0ae8c-0abd-7442-a6f4-c2f35856f440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062228
StatusPUBLIC

Content hashes

Canonical text255fc88e7e4a75f3a01554edc258ce2ddf19b38696a3c5f82e385e7acdb2b0e7
Markdown52aa24a72d75a7f7f7295be624c1abf139dfce8f06ab785ee9388e6ce27c415f
PDF
Publication pagec8b02f7c49a7987bb62f3741f89310141230c3132aa7d951bd738d632ddd9f22
Manifesta16aaecdbb0172bcdd620c126c218e3b539c6b9ac8d35feba56c906a5babc2bf

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
Signature0STt9ny+xOxPxMjtv8pqEbpYni2X5dHXvHitL2xPZQLshmCmHaVWdGP8KwACjLYabWpkIDTkac1VVgWiDp2OCg==
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

2026-09-17T10:39:30.074192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062228
observed c8b02f7c49a7987bb62f3741f8931014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.055324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062228/manifest.json
observed a16aaecdbb0172bcdd620c126c218e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.038017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062228/publication.md
observed 52aa24a72d75a7f7f7295be624c1abf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.018200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062228/publication.txt
observed 255fc88e7e4a75f3a01554edc258ce2d...
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.