OpenTechnical

OT-2026-000019119

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000019119) never changes.

Identity and time

Publication numberOT-2026-000019119 · never reused
Internal UUID01a0ae6e-f391-7e19-b1d8-f49a355d08bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019119
StatusPUBLIC

Content hashes

Canonical text5a9abd9eb599250b24692a6786b2aa42330354decd1036bf5cac2785ae163508
Markdown991521650acc6da398f00766831dc46f59407c1289154f0840b2e7a90bd84235
PDF
Publication page5e01269da3eef31c5cbe05726b0f80d02e24c5d533aa36e8106a0f1a115e4518
Manifest79cd0f091d81a5d87fb560ad808b8fc0fec6556f3b30055fe9240227d2f9b7b2

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
SignatureY7WXQdBsN824dkRfleodCTW0J4gRDW8ijequOBprzV4RmHgGCJIeDbpqV2gxOW7WoiORHYAmfXJN3xh55QWyCw==
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

2026-09-17T11:58:25.257562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019119
observed 5e01269da3eef31c5cbe05726b0f80d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.240302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019119/manifest.json
observed 79cd0f091d81a5d87fb560ad808b8fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.221238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019119/publication.md
observed 991521650acc6da398f00766831dc46f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.204142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019119/publication.txt
observed 5a9abd9eb599250b24692a6786b2aa42...
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.