OpenTechnical

OT-2026-000081704

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000081704) never changes.

Identity and time

Publication numberOT-2026-000081704 · never reused
Internal UUID01a0ae97-0f73-79d2-8a9c-1f7ece782419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081704
StatusPUBLIC

Content hashes

Canonical text0f900590d68a38b3e3e8b92cd9b2537db596d4362fbcd17d9ff090043322e1b4
Markdown2fdd2c0a278595809e94a21e70e23b740eb4ca449957736b6f79c74bd7b9d2bc
PDF
Publication pagee8ecba519f4cbee45ea0d918227ec7640639246e371936613b7554d396a9cfd4
Manifest7a9c9c37f1527a47c76b6e9966923b067d3dea0d2e2ad64304f6aa2813815c9b

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
SignaturewCHfVn/01eKxhlcHXSgc4QEnMptM+QzIylhuHcuhPKEyLyJche04zHdq9FAQTw4y4a21XcwcvCE//XcoJwvQCg==
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

2026-09-17T09:59:46.459581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081704
observed e8ecba519f4cbee45ea0d918227ec764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.441999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081704/manifest.json
observed 7a9c9c37f1527a47c76b6e9966923b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.425290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081704/publication.md
observed 2fdd2c0a278595809e94a21e70e23b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.408524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081704/publication.txt
observed 0f900590d68a38b3e3e8b92cd9b2537d...
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.