OpenTechnical

OT-2026-000040105

Publication integrity record

Two cup vacuum gripper, two 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-2026-000040105) never changes.

Identity and time

Publication numberOT-2026-000040105 · never reused
Internal UUID01a0ae79-26fd-772e-947b-af23b959dac2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040105
StatusPUBLIC

Content hashes

Canonical textb184fe1828088a7833518ed36d8d49bfd3ff4817ea2b383c38cd34121a8eb2f1
Markdown828abdad8fceab9d8b24e02996e53893b8a1320884599c1906d8899e88f47d12
PDF
Publication page64f97065ad2555cd1795c8a37586767c8ec5986eeea993a6e2d2287ed84d690d
Manifestd9049f70eba3ba360059dd7dc2227fd52a4b2dd865d8f73c2c81c03e269cc3be

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
SignatureL+hJ3gQuHeFizKU1+7JPl9ZY4ZxCS1ClvEVshiX1WVTXUMel1UmIVdODL/lMOZFwpmvLojPm6sUmBHQOi0raAQ==
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

2026-09-17T11:18:58.057217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040105
observed 64f97065ad2555cd1795c8a37586767c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.041457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040105/manifest.json
observed d9049f70eba3ba360059dd7dc2227fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.022511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040105/publication.md
observed 828abdad8fceab9d8b24e02996e53893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.968409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040105/publication.txt
observed b184fe1828088a7833518ed36d8d49bf...
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.