OpenTechnical

OT-2026-000048104

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000048104) never changes.

Identity and time

Publication numberOT-2026-000048104 · never reused
Internal UUID01a0ae7f-c424-7b19-b436-b9346aa6ccca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048104
StatusPUBLIC

Content hashes

Canonical texta2fcd5ef3e4b3bfde3954ba1ab827d38e318da00433ff2449cd9f6e9bbf86865
Markdown80ba32a2873b4da3bba02ab54a973c39eb7a1f827acb55914a443da186e4d560
PDF
Publication page103ba627f1fe7d963c7deaebe170fc13d200156710273b5846516f9be31b24e2
Manifest89e0d7f39d1a415242022e427f987e6a49866b7947f251f92747706c118591f1

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
SignatureaoFifTSkIvH/YRkSy4WBK208bMV4hiay3sF7GdeO22wWqtukfYuRotepbTyxPwHAvjEIO0JU4NHhPpdlUR/UDg==
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

2026-09-17T11:06:07.829304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048104
observed 103ba627f1fe7d963c7deaebe170fc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.812993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048104/manifest.json
observed 89e0d7f39d1a415242022e427f987e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.796677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048104/publication.md
observed 80ba32a2873b4da3bba02ab54a973c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.778729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048104/publication.txt
observed a2fcd5ef3e4b3bfde3954ba1ab827d38...
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.