OpenTechnical

OT-2026-000076260

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000076260) never changes.

Identity and time

Publication numberOT-2026-000076260 · never reused
Internal UUID01a0ae94-6a6f-71cb-8c94-f78a44e11fc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076260
StatusPUBLIC

Content hashes

Canonical text0b0fad2857042a6b435de3657fda06f69666de462bf038b5ad7c7eea11cc484d
Markdowne179f1f1c9c4c1b3c8a191bd66b35e2b93cf5f656b8a8808bfc131ba79554273
PDF
Publication page32b3f35876a7abc7f3abeba4435605b8b367d00273d0c4d4892d3dbef58051aa
Manifest773982ed205a3d1b1522487afb8707608390545dd1d44fdc66423aa438704928

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
SignaturefN2ibI0sUeNs9NLU5VfLRQPg7dilhvhIuiu1mA2iwkgNqkjxf7vh7RVCLJwqSS19g7N/JtWwYxbdd8eyHLLnBw==
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

2026-09-17T10:11:58.972078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076260
observed 32b3f35876a7abc7f3abeba4435605b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:58.811685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076260/manifest.json
observed 773982ed205a3d1b1522487afb870760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:51.192635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076260/publication.md
observed e179f1f1c9c4c1b3c8a191bd66b35e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:50.545475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076260/publication.txt
observed 0b0fad2857042a6b435de3657fda06f6...
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.