OpenTechnical

OT-2026-000011209

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after 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-2026-000011209) never changes.

Identity and time

Publication numberOT-2026-000011209 · never reused
Internal UUID01a0ae6c-540f-7ece-aec1-226e6d9ed0d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011209
StatusPUBLIC

Content hashes

Canonical text774a9f887ee4d89de352c1304abec99cdc85968fd8eb3dbf412a81f85026d5fb
Markdownb1dac14f623e7269baab842bbef456df18a9ea6743dcf20ebc9bb1e679856d63
PDF
Publication pagea24c6fcff60f1cd95f43fb0dd4ba7f31bf5dd8d6c709be1734fa64936efa7020
Manifest8eb699e6926b2479ebbd347625ab8f0daad24ee3962d5d55e325898aeea55a83

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
SignatureCoUeFeFW19FfMbV6BWOBwFzmm6RTARe5InDx7W3Y1meQ3fE4pNkjAmI1Glzql8/stBrYRUDs2L3QLwa2PLtmCg==
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

2026-09-17T12:14:09.701491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011209
observed a24c6fcff60f1cd95f43fb0dd4ba7f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:09.682733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011209/manifest.json
observed 8eb699e6926b2479ebbd347625ab8f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:09.662911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011209/publication.md
observed b1dac14f623e7269baab842bbef456df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:09.642969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011209/publication.txt
observed 774a9f887ee4d89de352c1304abec99c...
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.