OpenTechnical

OT-2026-000038225

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038225) never changes.

Identity and time

Publication numberOT-2026-000038225 · never reused
Internal UUID01a0ae78-2d51-7846-a41f-73ea837ebce4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038225
StatusPUBLIC

Content hashes

Canonical text417b068696adcf4bd93231d7e7b4809a88ea742c49e73847cca24a051b29724f
Markdown4a4410f8c7047db61bef8749cf2dc456db699453a49b427dd84fde35a96e7cfd
PDF
Publication paged246a635f4862215953680643428801e938f2fecd4d0f610ac322c5912f2be8a
Manifest5926ce7d957c4a4a0cd82866dbc2a497d004803b11b3cc4979254610c71dd7b9

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
Signature/gIOuexVub7ahT4r7SkQgpjXUOlCg6zuggDxlL/u+yL5yfnktU7NPK5rd2tY/O2Y322RVjXO8jLuQWbjzPU0BA==
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

2026-09-17T11:22:22.184241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038225
observed d246a635f4862215953680643428801e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.167350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038225/manifest.json
observed 5926ce7d957c4a4a0cd82866dbc2a497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.148880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038225/publication.md
observed 4a4410f8c7047db61bef8749cf2dc456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.129560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038225/publication.txt
observed 417b068696adcf4bd93231d7e7b4809a...
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.