OpenTechnical

OT-2026-000076406

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000076406) never changes.

Identity and time

Publication numberOT-2026-000076406 · never reused
Internal UUID01a0ae94-6a70-7a9c-989b-0f0cd04da40b · 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-2026-000076406
StatusPUBLIC

Content hashes

Canonical text7399c1b4cc57829c3c0fe25e817700e46bbda3530921febbf333d25385fabfae
Markdown486fa12688774502f0fa49cb5a216bf0d56b8d3e3b753e223e610b188fc48fe8
PDF
Publication page7ab129770ed60397ee0808dcf3bde270b405ec9243d3be687ad2d2fd70e56305
Manifestf1e043d078cc56c2f92056b56677ed1a56fe53bc729d3f97a10d4f4643b84fdd

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
SignatureZSqPHUgVr0u4pN+NxX3QnDlpJNcq7OLH98/FPSPSPzx/yy6nW4ToJ5vTNYRYnm4JOCn+O14xw+JU9EI8lvGzAg==
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

2026-09-17T10:12:20.550626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076406
observed 7ab129770ed60397ee0808dcf3bde270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:20.528676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076406/manifest.json
observed f1e043d078cc56c2f92056b56677ed1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:20.508665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076406/publication.md
observed 486fa12688774502f0fa49cb5a216bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:20.488214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076406/publication.txt
observed 7399c1b4cc57829c3c0fe25e817700e4...
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.