OpenTechnical

OT-2026-000012299

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum 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-2026-000012299) never changes.

Identity and time

Publication numberOT-2026-000012299 · never reused
Internal UUID01a0ae6d-39f5-754e-8b9f-5c8cbeaa5728 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012299
StatusPUBLIC

Content hashes

Canonical text1cddede17d85e1a8a49e69ceb28bc2dd17502915752dc7147b0912e56bfe8c7d
Markdown0d2d209774dbbdee00724c9096aabd9af752c3793927ea9957285ebecd958422
PDF
Publication page6b1e0896f2f0cc7b0d88ae45b2ec4a233134f772102c8b4993dc9af8343a7210
Manifest68dc1758ae117bf048047bf4a7613bea98c198b23e1f67e0d9f1297ea1ded534

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
SignatureVxb8ka3l7kVYxdG6eLWpLlDDSSv2GVHqtd4e6CkxJtup9gw8WN869nFT6Fqjdhfw58rAmi4hYt3Lg27GYim8AQ==
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

2026-09-17T12:10:57.915543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012299
observed 6b1e0896f2f0cc7b0d88ae45b2ec4a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.897098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012299/manifest.json
observed 68dc1758ae117bf048047bf4a7613bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.865190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012299/publication.md
observed 0d2d209774dbbdee00724c9096aabd9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.833652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012299/publication.txt
observed 1cddede17d85e1a8a49e69ceb28bc2dd...
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.