OpenTechnical

OT-2026-000010992

Publication integrity record

Foam pad vacuum gripper, pump 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-2026-000010992) never changes.

Identity and time

Publication numberOT-2026-000010992 · never reused
Internal UUID01a0ae6c-540e-705a-8736-0ab79fc09aeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010992
StatusPUBLIC

Content hashes

Canonical text4b31df297bfc1421673297e5a8781bbb060d0e2db636d6dd35597330c1f86376
Markdown2987087ca660dd72349ea290f5a5b0976e9bebf90097db4e2bf36a063f96fe51
PDF
Publication pageaf6f8a10557295a31ba44eef8460c2d87cc8589912c136757e05198dfe38ae22
Manifest45cb7e4f932d48ce9fa58a71e3cfd3c84a0d48da0b78bdd39a3896b5ad9098b4

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
Signaturev5R7m3GH521lozXqUe94FWF7DoeTztPXAnMKmG+fLmoyxgqOOIHcar1ss+BIfLY7781JSo5t5ldtePrdU9XIBQ==
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

2026-09-17T12:13:48.239473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010992
observed af6f8a10557295a31ba44eef8460c2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:48.000653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010992/manifest.json
observed 45cb7e4f932d48ce9fa58a71e3cfd3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.981494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010992/publication.md
observed 2987087ca660dd72349ea290f5a5b097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.960719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010992/publication.txt
observed 4b31df297bfc1421673297e5a8781bbb...
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.