OpenTechnical

OT-2026-000048710

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000048710) never changes.

Identity and time

Publication numberOT-2026-000048710 · never reused
Internal UUID01a0ae80-c32b-7698-b1a8-7dc428b1322c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048710
StatusPUBLIC

Content hashes

Canonical text4fec0868b51c0f5936e384846f8531bb95412fac2f23d77a99578e0a9cc36e4a
Markdown3dfed0751aad3c02a2ca9d0d382c5ef2ae9ef4a29f937f9dce03feb95b4d2172
PDF
Publication page57614fe781717436c012ba43ebbf9399e5296d0a9f85a5a5cac9aad8df75b845
Manifest8e0a6a6eddbe83cb31382223d46b1b9e2a3264fb1c6013f2b3eccf8a9867e334

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
SignatureRk3AvRppf9gv2PCdkeT02qf6xTN1p12coqSiwHktBuzOcppgdaBB43HIF7aOE4DJEqjlrCPCx+9RwQPS+TfADQ==
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

2026-09-17T11:04:20.988656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048710
observed 57614fe781717436c012ba43ebbf9399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.967043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048710/manifest.json
observed 8e0a6a6eddbe83cb31382223d46b1b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.947632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048710/publication.md
observed 3dfed0751aad3c02a2ca9d0d382c5ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.929763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048710/publication.txt
observed 4fec0868b51c0f5936e384846f8531bb...
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.