OpenTechnical

OT-2026-000052200

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000052200) never changes.

Identity and time

Publication numberOT-2026-000052200 · never reused
Internal UUID01a0ae83-e790-7709-b298-bff3ed1cf034 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052200
StatusPUBLIC

Content hashes

Canonical texte36b0db089d84e9b785c6aac0ada8edbe00fcd902b142c8e73b55ed607df0753
Markdownfaa38e238db3d31589124d6e9789fd881f8f98096f8c6bd5adc0604b65d41d4e
PDF
Publication page588c0f8e47ef1ef1679a2cd20532de150dde04e86d88ca1129e4357b08370d6e
Manifestc5937f356cba0a3e263a022c099733b9a1fd39ac2e3142b7a76514f5e0ca7fc0

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
SignaturelHFmQHJImnoS35yZr/2iToBwnG58nHEnOku+G8wSPwMiCo01hpd8t7lHrohRIHaN0ygWbXJ7Jx7I5V0MRt38Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:46.019626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052200
observed 588c0f8e47ef1ef1679a2cd20532de15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.001392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052200/manifest.json
observed c5937f356cba0a3e263a022c099733b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.983299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052200/publication.md
observed faa38e238db3d31589124d6e9789fd88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.965788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052200/publication.txt
observed e36b0db089d84e9b785c6aac0ada8edb...
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.