OpenTechnical

OT-2026-000076138

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down

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-2026-000076138) never changes.

Identity and time

Publication numberOT-2026-000076138 · never reused
Internal UUID01a0ae94-6a6f-7145-9faf-1b4e8c2b88be · 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-2026-000076138
StatusPUBLIC

Content hashes

Canonical text94330e90f77bebf24234d85e18b12dcad401c5972aa5fd6a47f21b7d858deec6
Markdownefec0a422b32706eb79156560b0defe4cbb0f848fc140e2ee61165daa5a2ae77
PDF
Publication page47cb9bb768d0440a0f29533cfbfe4e7cf10de5850efa1aec1b3784394149dc4e
Manifesta5c0efcf5a3b616830e72e1feef929408d233e266b0959fe2ff121bbe697c621

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
SignaturepU2LxMUbktT3LJdXr9EXGjmBSlTnkl/A4ckr2OUdEKU7p6KLB/kZ+xT/0uwhoFdwJ2e5Ur6Gy8JIxPmGTUxxBg==
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

2026-09-17T10:11:09.496568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076138
observed 47cb9bb768d0440a0f29533cfbfe4e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:09.476043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076138/manifest.json
observed a5c0efcf5a3b616830e72e1feef92940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:09.453587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076138/publication.md
observed efec0a422b32706eb79156560b0defe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:09.309013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076138/publication.txt
observed 94330e90f77bebf24234d85e18b12dca...
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.