OpenTechnical

OT-2026-000027455

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000027455) never changes.

Identity and time

Publication numberOT-2026-000027455 · never reused
Internal UUID01a0ae72-6998-7487-b177-4b1b9dbc5573 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027455
StatusPUBLIC

Content hashes

Canonical text652e977ee08268379087d4f66310b76c7840687a0a1bbb62a9ab747d58a21257
Markdown74d19effcdfe7e55c653a7a052342d0ff0bc3d3f31f9c5195079bc21fd54baa1
PDF
Publication page9ce01865bb3cc7343011f4bc8b17415df19ec217e57a702dbafa600fb8b7672d
Manifest842a0f4a4099f5cb7244def6b1a2c0893d29fa177e285b8d0c317b3d224e75be

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
SignaturevV1f5HZjXf0Gt7wCSgGgduFCPAuD5q5TYHBzmd+FV1XsGMY2lP3V4Fl6Zh55KS5+CRHZGX7EZFuJW6vxo/aiCg==
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

2026-09-17T11:42:54.728536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027455
observed 9ce01865bb3cc7343011f4bc8b17415d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.708269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027455/manifest.json
observed 842a0f4a4099f5cb7244def6b1a2c089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.689814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027455/publication.md
observed 74d19effcdfe7e55c653a7a052342d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.672180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027455/publication.txt
observed 652e977ee08268379087d4f66310b76c...
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.