OpenTechnical

OT-2026-000019002

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000019002) never changes.

Identity and time

Publication numberOT-2026-000019002 · never reused
Internal UUID01a0ae6e-d523-7294-bdf6-9e48503670fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019002
StatusPUBLIC

Content hashes

Canonical text571e2f670062d172268fc34a26d73b7a5797712ffa37cc9b697f1f096eafbac6
Markdown3e411c8c4d1ff4c2e23586c267ddeec81f5c64cf6b8d9812ff99358f12770d72
PDF
Publication pagefe9d8ef2f0da68c251009e92f72005f9b3b6b41aa687fac1682389de06aa6d36
Manifest819fb4c4a4e29eac3123b70e251e2d2b3093e1edd24f341b9b28922ea3741bc9

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
SignatureSbCB40BFAqVmitSsursub3BM48rky9p5H8GI2ZDkPHGJBJAlMmaQZELI9yfCJSeO7dAX3EUcjfaQSPv5WlgfAA==
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

2026-09-17T11:59:41.100923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019002
observed fe9d8ef2f0da68c251009e92f72005f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.082499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019002/manifest.json
observed 819fb4c4a4e29eac3123b70e251e2d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.065157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019002/publication.md
observed 3e411c8c4d1ff4c2e23586c267ddeec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.045348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019002/publication.txt
observed 571e2f670062d172268fc34a26d73b7a...
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.