OpenTechnical

OT-2026-000082448

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000082448) never changes.

Identity and time

Publication numberOT-2026-000082448 · never reused
Internal UUID01a0ae97-4d96-7653-9a2c-f37b2c5398d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082448
StatusPUBLIC

Content hashes

Canonical text430edf8cd1453b1f6b191d87d4bac6be536d1213615b0a21e0c475730873a4fd
Markdown77b111024d7d3a072fe06bf21868f4c939dc3682d679e0df179313d3a69a4505
PDF
Publication pagea76b5876c2cc00b6a393821470eed175b73c3ec57a16fa25ce15cbe7e3448858
Manifestcef52cf622105b0001c7027dfb090de4ff43d716cac1089eeaa10f7f3239c442

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
SignatureC9DlJenRASpk9rB4tAbqqclYW43ErByrvw/6eqavOX3IJkytYj+qEVS+YAAgTtncoEFzzEfxZ0yrQ0LcGcVICQ==
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

2026-09-17T09:59:26.855746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082448
observed a76b5876c2cc00b6a393821470eed175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.837853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082448/manifest.json
observed cef52cf622105b0001c7027dfb090de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.821482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082448/publication.md
observed 77b111024d7d3a072fe06bf21868f4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.804478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082448/publication.txt
observed 430edf8cd1453b1f6b191d87d4bac6be...
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.