OpenTechnical

OT-2026-000068486

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068486) never changes.

Identity and time

Publication numberOT-2026-000068486 · never reused
Internal UUID01a0ae90-2481-7e46-a5ee-ee6f80015384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068486
StatusPUBLIC

Content hashes

Canonical text953e97a232967ed8ab6781fd7d8d360c734aa2c1385d0704d1af2152630594ac
Markdown190b85210340a7962867b6d1363e3c14b9bcd9441d89532dc55a2ac05d2548a8
PDF
Publication page75a581208bce27e9e5645629e85bca79cb6fd6bc8c9be95e089af3e1cf945805
Manifest10057982912b4b24d50cb296d16ac46ce3fcd523cf950c1b6459e7c80430db0b

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
SignatureVHPEarG5kGorwZZd72m8yx5GhafK7yODqXoE+FgJM3iL6K0PZla7sidYcaY94QEgrP9LP9lL13IwAxho9QJOCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:38.441004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068486
observed 75a581208bce27e9e5645629e85bca79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.423945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068486/manifest.json
observed 10057982912b4b24d50cb296d16ac46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.406022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068486/publication.md
observed 190b85210340a7962867b6d1363e3c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.389140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068486/publication.txt
observed 953e97a232967ed8ab6781fd7d8d360c...
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.