OpenTechnical

OT-2026-000038250

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000038250) never changes.

Identity and time

Publication numberOT-2026-000038250 · never reused
Internal UUID01a0ae78-2d51-74b6-b3b8-e0e1eca009a1 · 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-2026-000038250
StatusPUBLIC

Content hashes

Canonical text49838734ed1525a024fe13b4c9fed1d4eb885755ae52ab06e1ab1342b8d8401b
Markdowna7eed6751720b045362aabd6338a361d6b8eb6e2f7fc95074e8257b459702d67
PDF
Publication page5085a3b174ab405987426bfe258915d65f4d5831186b93114a0620ac35a7476b
Manifest79bfd6b6561cd9b811ea9287e40c9412964ff737dc807d1b0a6d744d282ab652

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
SignatureCwkdYniDezxmcRZKWTKf0c+J28T7U0YUK8WJUzGOX60z2SoXuUtejawuy1+IhhtsWqaavDckDG0AxeCoZ16zAA==
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

2026-09-17T11:22:24.219994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038250
observed 5085a3b174ab405987426bfe258915d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.201812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038250/manifest.json
observed 79bfd6b6561cd9b811ea9287e40c9412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.181810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038250/publication.md
observed a7eed6751720b045362aabd6338a361d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.161368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038250/publication.txt
observed 49838734ed1525a024fe13b4c9fed1d4...
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.