OpenTechnical

OT-2026-000048601

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000048601) never changes.

Identity and time

Publication numberOT-2026-000048601 · never reused
Internal UUID01a0ae80-4de8-7297-937c-27713c37bbb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048601
StatusPUBLIC

Content hashes

Canonical text690be50c9dba2e3793d75412fe99673a416a4b9d4f93b603f1167e8db04a524f
Markdownde9ac60caef3d364c4ba98dbae601fa11e5fab8a26734a8e68b1c26a0f498467
PDF
Publication page28bc80967306614eebc39a0d5cda1d5e1b239e4aae784539d19d1dc524ebc10b
Manifest2d5d2fff0fbf7f3f800432a2723a885ae5951088f837c3485e0a99f1b060f85d

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
SignaturewACUwcLCXg5aDYFFFAIOoXIRiugZt/d3GjUyGNNEXfhIFpfrzfm2KD65lioQc8g+tfbvQqMzCsF3r77Gg43oCQ==
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

2026-09-17T11:05:24.867681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048601
observed 28bc80967306614eebc39a0d5cda1d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.847861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048601/manifest.json
observed 2d5d2fff0fbf7f3f800432a2723a885a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.827560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048601/publication.md
observed de9ac60caef3d364c4ba98dbae601fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.807000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048601/publication.txt
observed 690be50c9dba2e3793d75412fe99673a...
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.