OpenTechnical

OT-2026-000018983

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000018983) never changes.

Identity and time

Publication numberOT-2026-000018983 · never reused
Internal UUID01a0ae6e-d522-7d12-ae32-930656fa87d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018983
StatusPUBLIC

Content hashes

Canonical text9121436e3aa5d525b97eab3f5e5898db0cc1fad9f78771e010551a1d3c8b606d
Markdown44682f9c148e27b275ad5159e09ba2cf358647beb08d8452be34dbf9502e06fe
PDF
Publication page3ae495ff07d9855c9d0e8088a230e2ba421a9c85f10e1d4180881d817510ae64
Manifestcab8a29b82e683342455297b7cc12fd3723614423778fd0e2213f4f9f70da109

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
SignatureIImDPY0YIDrPSP3KVOSEmBhiF/a5nzsMPArhEoEZF1Bwt+SlTxG+bMhw/6DFfTIH8sguFic4YU25jfurhdHaCg==
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

2026-09-17T11:59:39.726049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018983
observed 3ae495ff07d9855c9d0e8088a230e2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.710435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018983/manifest.json
observed cab8a29b82e683342455297b7cc12fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.694017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018983/publication.md
observed 44682f9c148e27b275ad5159e09ba2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.675520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018983/publication.txt
observed 9121436e3aa5d525b97eab3f5e5898db...
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.