OpenTechnical

OT-2026-000041947

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000041947) never changes.

Identity and time

Publication numberOT-2026-000041947 · never reused
Internal UUID01a0ae79-e8a6-722a-bb6a-22cba7524a5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041947
StatusPUBLIC

Content hashes

Canonical text882da2c14c226b7838efa97366bc853b19251ae99de5f1c00a61908082057c5e
Markdown56da26d16db7577eed574d3e710096f1b2f2cefa0adbdceee3c73635540bb318
PDF
Publication page34b0cb388540938f88738507e08f42c8246d104020e0ae671245a19c892ce1e6
Manifest38d641eab6dcf3d50a8e67b09e958bca1d299ddb0d0f95042623fe54812d7af2

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
SignatureYZln4vmUXtt48+qdtoqOrNvnVbF2ZSgQgAiJ6yWHmf8pCVRVknlSr5O+zRtr6Mm34WhyWRyRfl14Ehyjye4eBQ==
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

2026-09-17T11:16:50.224936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041947
observed 34b0cb388540938f88738507e08f42c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.208270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041947/manifest.json
observed 38d641eab6dcf3d50a8e67b09e958bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.192053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041947/publication.md
observed 56da26d16db7577eed574d3e710096f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.174923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041947/publication.txt
observed 882da2c14c226b7838efa97366bc853b...
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.