OpenTechnical

OT-2026-000030787

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000030787) never changes.

Identity and time

Publication numberOT-2026-000030787 · never reused
Internal UUID01a0ae74-3fb4-77b7-87cd-8d1bf33c6fea · 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-2026-000030787
StatusPUBLIC

Content hashes

Canonical text90098707a6dca19f62758e6adbc27759bd17ba8057c5b3a48e927e625fe7c627
Markdown4f256a2ee79c0a79aa486b6590f19dfd7a8ffe50e9e9dcc75eafe077251aaa68
PDF
Publication page587dbb2275835d4bad4c37e0f3275920fcb5f3a64e4359669480a969eed0a2d3
Manifest37ca4b769795246cc8658a6240b1c49048cb3e0419ba684ffabc3a31705e1863

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
SignatureTU64PLlsCtScAMQRYtzPVRHW0xqv3/cQLhaf/vKfYL0453UMa8Qt/SZL4i5rnCaPpO4B/+MKY7mhke++yFMhDA==
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

2026-09-17T11:36:44.931546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030787
observed 587dbb2275835d4bad4c37e0f3275920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.913735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030787/manifest.json
observed 37ca4b769795246cc8658a6240b1c490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.897193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030787/publication.md
observed 4f256a2ee79c0a79aa486b6590f19dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.879170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030787/publication.txt
observed 90098707a6dca19f62758e6adbc27759...
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.