OpenTechnical

OT-2026-000067050

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000067050) never changes.

Identity and time

Publication numberOT-2026-000067050 · never reused
Internal UUID01a0ae8f-14fe-7cf5-a82a-9c72ef382777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067050
StatusPUBLIC

Content hashes

Canonical textfec6ca54caec44b791c6eec4ffed982ecd36bfa32edcd72a9b839489b3e39ab2
Markdowna314b626dbb206ee8524a7b9853efe68c814aeb0399d21611c95ff94a6b07914
PDF
Publication page4a81771816f873cf8a35df0223fcd794ea3f15495ada0844ee0a5d72d8f9c304
Manifest1208d1cb8a74eaba7a068e6da2ed83a040f537cbb9f35fd55982e6b68c536afd

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
SignatureujEQmYBtY6p8yB6HXRJ37+rJ4d6m/mzNTWQ53YEqPjtsC8tNgR9QhOnz59pSNGeAV3zKejugdOOOIJHgFzfwBA==
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

2026-09-17T10:32:17.848479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067050
observed 4a81771816f873cf8a35df0223fcd794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.827968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067050/manifest.json
observed 1208d1cb8a74eaba7a068e6da2ed83a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.810524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067050/publication.md
observed a314b626dbb206ee8524a7b9853efe68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.792169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067050/publication.txt
observed fec6ca54caec44b791c6eec4ffed982e...
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.