OpenTechnical

OT-2026-000027761

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000027761) never changes.

Identity and time

Publication numberOT-2026-000027761 · never reused
Internal UUID01a0ae72-a4a4-72db-afd7-6d496ce2ea83 · 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-2026-000027761
StatusPUBLIC

Content hashes

Canonical textd65b00df813e478153d26a83fbf3b60f203e81d0d4db4a3a07c1a4c9aa6a5aa9
Markdownb1e473e1fd1e7bc634195e906ecd4dbeea3849072b1d8df17cfcebd0329ebe54
PDF
Publication page010c15fa4735856ec088f737bafaffb7d178c33f7f7bbff22816a7c9887c8c7d
Manifest2aa13a37d1745d32d404ef87b1080b8691426dbf82693578fb9c9f1690a13709

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
SignatureFJVCcT4VuKSc4K6Lgt3o8UwtobxmmA2kvKRK1aBhiKU3KiOx6HG346m81yC16hVQytCiw46azDC/h8YUsHBrAg==
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

2026-09-17T11:41:48.099300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027761
observed 010c15fa4735856ec088f737bafaffb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.081908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027761/manifest.json
observed 2aa13a37d1745d32d404ef87b1080b86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.062356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027761/publication.md
observed b1e473e1fd1e7bc634195e906ecd4dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.009045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027761/publication.txt
observed d65b00df813e478153d26a83fbf3b60f...
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.