OpenTechnical

OT-2026-000027964

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000027964) never changes.

Identity and time

Publication numberOT-2026-000027964 · never reused
Internal UUID01a0ae72-a51f-728f-a45e-f37d11c34d57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027964
StatusPUBLIC

Content hashes

Canonical texte982a6f26ac556ff639299b90e99ea168c20ee2e790da4ee72c469e8c66a9ecc
Markdown1d09aae1a9fb3114136b1a40e30e48231ea2f43b4d6e47d31e672b0177586073
PDF
Publication page8c3c016a1a5ef87ea0ec4f3896a4c0a2f58985a744f9c1e324e5ab0742d15668
Manifestd72a996b2432833b546c1038d22c8e8e7b7379a457629e0d8fa6b48fc187d2f1

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
SignaturesD/jmpYFuZu2YoYakRHguaqH5C2yNzqFoEiCy456Tgu1uU4mjN0d1xU4UJSBy46Kj3jD9cSdZhhnPj8mBqC0Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:09.381960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027964
observed 8c3c016a1a5ef87ea0ec4f3896a4c0a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.366168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027964/manifest.json
observed d72a996b2432833b546c1038d22c8e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.346799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027964/publication.md
observed 1d09aae1a9fb3114136b1a40e30e4823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.329818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027964/publication.txt
observed e982a6f26ac556ff639299b90e99ea16...
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.