OpenTechnical

OT-2026-000048462

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000048462) never changes.

Identity and time

Publication numberOT-2026-000048462 · never reused
Internal UUID01a0ae80-4de5-7b8c-92e1-453ef3835834 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048462
StatusPUBLIC

Content hashes

Canonical text01b28df156c96a44820e7da27b8b2b3ce66574781766c2ed45ae16309852fff4
Markdowna8428dc8b045c95f80ebc7278ccd9c43e38747b48079f9410d48e8aaea4676f1
PDF
Publication page4be2dbe0ed94ac770ba3d75f21b39b4c1a6076c18328e5c8896d05a62b01921a
Manifest4ef031f267c2974400c8f3b86118bb91540d5dcdf89638197c9647e8b767a44e

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
SignaturegT1nacxPqMG5wRRxfwSLhsxOjRYmASczIsXXZQFmHG2yjLuzfiUlOfmGSeT8pVkYuRa+Rh5I9ylZzgBGJjn3DA==
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

2026-09-17T11:05:07.351601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048462
observed 4be2dbe0ed94ac770ba3d75f21b39b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.332645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048462/manifest.json
observed 4ef031f267c2974400c8f3b86118bb91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.311509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048462/publication.md
observed a8428dc8b045c95f80ebc7278ccd9c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.293428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048462/publication.txt
observed 01b28df156c96a44820e7da27b8b2b3c...
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.