OpenTechnical

OT-2026-000072138

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000072138) never changes.

Identity and time

Publication numberOT-2026-000072138 · never reused
Internal UUID01a0ae92-47c1-7d7c-bd96-0fc362cffb45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072138
StatusPUBLIC

Content hashes

Canonical text1684b528b58021e2937e46ad8ec5d75d9ab1bde6a3ae157a17f28b94e0c49aa2
Markdown3f088df4e91761b7f97aaac7953e00e0bfd157059b72ed9ba5314c624b5b6c77
PDF
Publication page432315461f4a8c0ad6b474c9d619e22d7f25076bf634dc1db75a5c5f85c960d0
Manifest9a6a21098f162b512dec3357eed557fd53ef8bf215b75f58677b2ee800f9c7f2

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
SignaturegAphae59/+kwwkAOZ6Pbgndr5WGI2bx0tI9tMNpQnKdBNakbNWmDG9DzMB562vIm7mNGDVjMmckIrFcR3SDSDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:13.936937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072138
observed 432315461f4a8c0ad6b474c9d619e22d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.921227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072138/manifest.json
observed 9a6a21098f162b512dec3357eed557fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.905098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072138/publication.md
observed 3f088df4e91761b7f97aaac7953e00e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.890147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072138/publication.txt
observed 1684b528b58021e2937e46ad8ec5d75d...
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.