OpenTechnical

OT-2026-000012826

Publication integrity record

Foam pad vacuum gripper, single stage ejector, 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-2026-000012826) never changes.

Identity and time

Publication numberOT-2026-000012826 · never reused
Internal UUID01a0ae6d-5563-7179-ba60-02687b30a0d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012826
StatusPUBLIC

Content hashes

Canonical text21665ad4b3923e8ed681dfbb86d9d3c429cbf5b08fb278e125514995416e6776
Markdown4c02e32b665d2fee7d2c6c1904e31993160f22ea73330c28abc1ae9d5f745c4f
PDF
Publication pagec1f5492e390e04a3ba4788316c2510eb124989f520c7e165fa76e23188257301
Manifest858a5939b59fbdca1716c7d972e122a95e36a35249e71c2196829a840fa8652d

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
SignatureK+Xm/MP/cnjekoA2WP5hsv/3Y3FvUqaJ6gsaTR+X+7Zku2j0hrwGjt/R8PbRC6soCiIpittw603BcS1MkOhqBQ==
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

2026-09-17T12:10:34.068975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012826
observed c1f5492e390e04a3ba4788316c2510eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:34.049981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012826/manifest.json
observed 858a5939b59fbdca1716c7d972e122a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:34.030207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012826/publication.md
observed 4c02e32b665d2fee7d2c6c1904e31993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:34.011614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012826/publication.txt
observed 21665ad4b3923e8ed681dfbb86d9d3c4...
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.