OpenTechnical

OT-2026-000071969

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000071969) never changes.

Identity and time

Publication numberOT-2026-000071969 · never reused
Internal UUID01a0ae92-47c0-73b0-98c9-90d9c715514d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071969
StatusPUBLIC

Content hashes

Canonical text39f310383fd8004735d357d21bcee05025da2dc408296ce2374bca1b01e9ef66
Markdown48a66f6bf31e7f14574b9848ce2a06b51333bbbfd070a426e46ef4fdcfa4b656
PDF
Publication pagee7ea64c9a3081ad6c58d562d1487a3f78a29f677e25bdf6736fd5854bf9de388
Manifest8ede7e404a92b6b3d8d6a37a591f0b11fe30093177bdd8e51f01f5d274bcc935

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
SignaturemsjzCpskmKSuvlS9PZmUAXoiOAL2mlpkviFnvhG96dmT3Ce/2nzVJW5oSND89UZKSC/w2Lr2GzA3e7DeGnp9AQ==
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

2026-09-17T10:23:00.795859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071969
observed e7ea64c9a3081ad6c58d562d1487a3f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.778684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071969/manifest.json
observed 8ede7e404a92b6b3d8d6a37a591f0b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.762066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071969/publication.md
observed 48a66f6bf31e7f14574b9848ce2a06b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.745591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071969/publication.txt
observed 39f310383fd8004735d357d21bcee050...
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.