OpenTechnical

OT-2026-000019055

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000019055) never changes.

Identity and time

Publication numberOT-2026-000019055 · never reused
Internal UUID01a0ae6e-d523-7202-8e43-19bc53326689 · 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-2026-000019055
StatusPUBLIC

Content hashes

Canonical text932246ef2ffcb44ed915440c316806047bec6e505f868df7240c927f3a95b3e3
Markdown41f4446644ccd1dc14c37b2d6164ba2646123600dd6ded743f77b8c26c5264d6
PDF
Publication paged0213ce2966bc5b52ce3cfa4e572e23ed17964a2e79bad543935ab156a8aa268
Manifest5a98773f9aebd2880b96de00e25ee70498831a6bc213adc99062f983ed5e1139

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
Signature4cwJ8y9JtjQ7LGSsntosR+M1F1TahMx1xzZAMhOGDgwkPwFTZbgHiy1B8Us/PkFBXHchOp87MDGo/MGnHaBbCQ==
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

2026-09-17T11:59:45.109038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019055
observed d0213ce2966bc5b52ce3cfa4e572e23e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.090585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019055/manifest.json
observed 5a98773f9aebd2880b96de00e25ee704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.071521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019055/publication.md
observed 41f4446644ccd1dc14c37b2d6164ba26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.052876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019055/publication.txt
observed 932246ef2ffcb44ed915440c31680604...
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.