OpenTechnical

OT-2026-000080108

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000080108) never changes.

Identity and time

Publication numberOT-2026-000080108 · never reused
Internal UUID01a0ae96-4378-7468-b636-adeee21e2931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080108
StatusPUBLIC

Content hashes

Canonical textf80f75129e5d21a6d867f10f08884f02f1245c581a3e26b486100b01b686a31e
Markdown694021d98d411ff16bf806cb620dc418c5288b0c16867eeb68f88201ef58296b
PDF
Publication pageaf54eb1940df44fe13e985705ee51d264ef74a0a67a0d7a8e94aa4365e6db290
Manifest7bd14450d81d90a4f9634e2a06f7566122249ce7e8296b5f035f0d02c21f5378

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
SignatureGzd+GXKpYEiQTGJhHNYhoWP2VzfBMbKGK81gBcMO3qVHlG8fLaNTcpuBj9cgWa5PFwSRlTInWatV3d7nxdJ5Cw==
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

2026-09-17T10:04:03.020296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080108
observed af54eb1940df44fe13e985705ee51d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.002351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080108/manifest.json
observed 7bd14450d81d90a4f9634e2a06f75661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.984322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080108/publication.md
observed 694021d98d411ff16bf806cb620dc418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.963533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080108/publication.txt
observed f80f75129e5d21a6d867f10f08884f02...
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.