OpenTechnical

OT-2026-000048560

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000048560) never changes.

Identity and time

Publication numberOT-2026-000048560 · never reused
Internal UUID01a0ae80-4de7-7143-9214-36116bc05c1f · 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-2026-000048560
StatusPUBLIC

Content hashes

Canonical textbf0561b2d5d0b0d84db6a336f9afce397f102e73b02c585cd6ace82a9e534932
Markdown56b29a6923f6772ff8388a986d6b9547f5d861db6c5ad153fdbba6ed8a211a23
PDF
Publication page3fa4bfcb9840a20d0ba43654aca9af9655225dcee474fa8d5407f47033958e28
Manifest95482476d0e8152d9cff162af1b18b9f5ee1e17515d9cf96b3917920e70483d1

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
Signature4TsUSKh57PV9rbAnusLNGU4TptLw54snI45Gp4EK9i+AklSndSnSn4PiLCvS63uDXExPXA5Gyg8mTn9t45BBCg==
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

2026-09-17T11:05:21.551421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048560
observed 3fa4bfcb9840a20d0ba43654aca9af96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.530125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048560/manifest.json
observed 95482476d0e8152d9cff162af1b18b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.509277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048560/publication.md
observed 56b29a6923f6772ff8388a986d6b9547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.486149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048560/publication.txt
observed bf0561b2d5d0b0d84db6a336f9afce39...
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.