OpenTechnical

OT-2026-000049482

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049482) never changes.

Identity and time

Publication numberOT-2026-000049482 · never reused
Internal UUID01a0ae81-8f7c-7e04-b4c3-dee977366840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049482
StatusPUBLIC

Content hashes

Canonical textf81678192fdf6b91b1b6ede184d1c6ce3772fe34a9d1313b58ff3857c21ad85e
Markdown627532f9bbb08e35451707b06a72b744ed99888cfdeaecc5ed9f6356532e909e
PDF
Publication page6424a955e1462329acb6a1ca9d8758bbcb7cf458beab89f97110d839e436bd18
Manifestb3f2f0cf0dc34d9376b07ea4a7baa272a9b170c977c827fdc80e5384da069b95

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
SignatureuhS1RmBaes36UJqosscmO99PIodR11xy2iPt43F4FjQqum2Z8tp0FRB0sgd5gUX8vTinhFAiNVvR4hpZ9joGDA==
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

2026-09-17T11:02:19.707505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049482
observed 6424a955e1462329acb6a1ca9d8758bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:19.687672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049482/manifest.json
observed b3f2f0cf0dc34d9376b07ea4a7baa272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:19.669111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049482/publication.md
observed 627532f9bbb08e35451707b06a72b744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:19.652804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049482/publication.txt
observed f81678192fdf6b91b1b6ede184d1c6ce...
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.