OpenTechnical

OT-2026-000030651

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000030651) never changes.

Identity and time

Publication numberOT-2026-000030651 · never reused
Internal UUID01a0ae74-3fb3-7891-9b14-036aecceeaf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030651
StatusPUBLIC

Content hashes

Canonical textcf52aca4f7127de44251f2084882b3db029f3d4f4f17570bfe6441f14171b2f4
Markdown88e25d0895b79f5243449306f5e7ce4913c0b87e5164a7708b3a04186ac69e77
PDF
Publication paged3040ad7c8f94f27204d17ef56cdbbbf18c701d8ee1ef33629116cefa4701ac8
Manifest92a5edd6f38211beee47453d160c8840b1bac1bc04f7b1b681b1e8f2b1030155

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
Signatureq0BI2ro/6n3K56K5Lhj7+d6TS3CPHbDxKoON7+fkSM8vnTLuarexBo4O0dp6ypFiSjRQUTD6M5WCt9+pAjifAg==
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

2026-09-17T11:36:32.092719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030651
observed d3040ad7c8f94f27204d17ef56cdbbbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.071615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030651/manifest.json
observed 92a5edd6f38211beee47453d160c8840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.049961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030651/publication.md
observed 88e25d0895b79f5243449306f5e7ce49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.028813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030651/publication.txt
observed cf52aca4f7127de44251f2084882b3db...
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.