OpenTechnical

OT-2026-000019124

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000019124) never changes.

Identity and time

Publication numberOT-2026-000019124 · never reused
Internal UUID01a0ae6e-f391-765d-bfc4-962a9c394d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019124
StatusPUBLIC

Content hashes

Canonical textd7b6b2ee24d68828d2461dce7afdcd7abb536a38d64ef2f7dfb4b05d2aec0df7
Markdown67ffcd1c5407982729559ae10dc0fec7559ea096a061092355aa69dddafa1d9d
PDF
Publication page90e36db87b6749b614dd1ca6f09c5f3f469fa7caafb70ec46d9a3c9795c50633
Manifest426e9396607c601598c55907365742bcf820d4b5ddc82160538686e429fcc41b

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
SignaturezZvMy4P6VrsKKej2foHIS+H99MBFUPU5A8qjfZxCozAIMSsUgnggxsIHZduUrBnu/9vh7km8b/IHAqNFd77lDA==
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

2026-09-17T11:58:25.708891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019124
observed 90e36db87b6749b614dd1ca6f09c5f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.692696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019124/manifest.json
observed 426e9396607c601598c55907365742bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.674289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019124/publication.md
observed 67ffcd1c5407982729559ae10dc0fec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.654845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019124/publication.txt
observed d7b6b2ee24d68828d2461dce7afdcd7a...
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.