OpenTechnical

OT-2026-000039392

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000039392) never changes.

Identity and time

Publication numberOT-2026-000039392 · never reused
Internal UUID01a0ae78-9675-77c0-b239-a47df1031777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039392
StatusPUBLIC

Content hashes

Canonical text6180d1908360b09cef0d6147397e0ca801fd0a97f14afb5007cbd30b152e434c
Markdown5c377e31fb1a163eb1b602be6d4042184116d0b180b5b4af81ad80cec90e7f59
PDF
Publication page055649708aab1b34adc0b4abaae47932a0141a89649ee7587a36b293753300e5
Manifest4ad7142649e8d59e9787528cf28ec53a8a10679edacaf66be3a4bc9c280a0794

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
Signature2os4jtK/1uYkA2KNvQtxwil2mvB2AovaLDXY5lFCNqX0x0N+7YIIStDjUacxi+/B09PVEJ6YxSACWV9IgdItAA==
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

2026-09-17T11:21:00.040368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039392
observed 055649708aab1b34adc0b4abaae47932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.021276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039392/manifest.json
observed 4ad7142649e8d59e9787528cf28ec53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.004198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039392/publication.md
observed 5c377e31fb1a163eb1b602be6d404218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.986433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039392/publication.txt
observed 6180d1908360b09cef0d6147397e0ca8...
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.