OpenTechnical

OT-2026-000012194

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000012194) never changes.

Identity and time

Publication numberOT-2026-000012194 · never reused
Internal UUID01a0ae6d-39f5-7c26-8778-08d215d708ff · 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-2026-000012194
StatusPUBLIC

Content hashes

Canonical text576b8a7243de9c1d3ba312ce393fdec35b6d90f11a7cd50bdb13ccc8ea0dff06
Markdown5913a319a9140200eb731ddbcc3223b6bfeeaa75991a5e26053fa58223dd1f23
PDF
Publication page0512622d18d64281a58eb7e8d04579ec6a9a467a736685f1fef1f48e2879d89b
Manifest5fe7f48c40ea786217a25317ec45754a6aa4e7485394b79b0b871b5c3bc08cd3

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
SignatureVEHEdWGOlp70A6gl6PEYt/t+jnENQwm5rvCocgcLgsJdrQwX1Jd7tkySilUbLnOMEBRJIvS04aZ8uOg2Tzf8DQ==
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

2026-09-17T12:11:06.174424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012194
observed 0512622d18d64281a58eb7e8d04579ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.157381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012194/manifest.json
observed 5fe7f48c40ea786217a25317ec45754a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.138578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012194/publication.md
observed 5913a319a9140200eb731ddbcc3223b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.119150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012194/publication.txt
observed 576b8a7243de9c1d3ba312ce393fdec3...
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.