OpenTechnical

OT-2026-000030561

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000030561) never changes.

Identity and time

Publication numberOT-2026-000030561 · never reused
Internal UUID01a0ae73-e505-7dde-b1d4-fd98a604bdeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030561
StatusPUBLIC

Content hashes

Canonical texta6fef3c5c57f0c74bce0ed9cc3786485e7b82738bbdd8c7c6501aaf9d8b2dd20
Markdowne2f474c84f66d856c832a158e0437abe8b99db0c3801a6403c5ccde542becde5
PDF
Publication page198f28b2d9286ae3872a910c79fde5d68be187b8eaab7ccedd58d03b6598e628
Manifestfa3510ea91bd1db66bd5a5fafa1f20a378e8dc9a5642d124368124ee71e5afb4

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
Signatureeck2y0MGcwikofCVq3/amr9emGM+g4nC1FAMJ+FJIWuMykT7Lo+8dP1XtxePTa/GKmhPhjne9rzziDmc99LCDg==
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

2026-09-17T11:38:25.876365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030561
observed 198f28b2d9286ae3872a910c79fde5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.858007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030561/manifest.json
observed fa3510ea91bd1db66bd5a5fafa1f20a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.840224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030561/publication.md
observed e2f474c84f66d856c832a158e0437abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.824012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030561/publication.txt
observed a6fef3c5c57f0c74bce0ed9cc3786485...
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.