OpenTechnical

OT-2026-000041049

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000041049) never changes.

Identity and time

Publication numberOT-2026-000041049 · never reused
Internal UUID01a0ae79-b10e-77f7-9173-27be5f3a242e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041049
StatusPUBLIC

Content hashes

Canonical text483b412342b8edb10352698580bc2f1f5bb3846f94a684f6863a0c16884f2026
Markdown584a3371a47580206aea44bd9d36aa7cdc4975f40cb57be101db99e13ccbf62b
PDF
Publication page6374149c95cb051d244f1e4cb8c74c9ad43970249f43e8200426669b0bd3e9c9
Manifest034539b970faf411f8a835d8fa67f966df97d905e13086d061db5acf09f14f4d

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
SignatureFHJrSpiAaTV/h5CMPJVPFmmNZ0Sm14drAw1n/sXftvYsIo2XW27PiybSC9Bl1/xw30Q1H7zt2rzL1sY8ZIHXCQ==
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

2026-09-17T11:16:57.641866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041049
observed 6374149c95cb051d244f1e4cb8c74c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.624780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041049/manifest.json
observed 034539b970faf411f8a835d8fa67f966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.607080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041049/publication.md
observed 584a3371a47580206aea44bd9d36aa7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.589948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041049/publication.txt
observed 483b412342b8edb10352698580bc2f1f...
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.