OpenTechnical

OT-2026-000032029

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000032029) never changes.

Identity and time

Publication numberOT-2026-000032029 · never reused
Internal UUID01a0ae74-bad3-7b5e-af34-2ed7c5bb2984 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032029
StatusPUBLIC

Content hashes

Canonical text4dbbe2f2b58e61ec24e89cc2c02cd9f3828befd1208bcaba55dc809f29be58b9
Markdown24a0968a1710acb099686195d2dbf4ff79c453586e15e81cf508257d7cd6d095
PDF
Publication page1ddb5788ec5b63d321833742b67102d90ddda2b3b3c68e0b5875c444d55facc1
Manifestd9d5a29ab2a5963829979ff4cafc6a6e231fcf63230a4f1ccd8ecc4c6912417f

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
SignatureRB0ewYk2b3Qt9Yiw/u7/HWrAOZBdNhlI2xVKVrpG2rra3K++Rfzi0ulmYaKjW1VeufZAWpLIbFQzo3Pj+SCGAw==
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

2026-09-17T11:35:26.320465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032029
observed 1ddb5788ec5b63d321833742b67102d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.301742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032029/manifest.json
observed d9d5a29ab2a5963829979ff4cafc6a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.283332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032029/publication.md
observed 24a0968a1710acb099686195d2dbf4ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.266649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032029/publication.txt
observed 4dbbe2f2b58e61ec24e89cc2c02cd9f3...
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.