OpenTechnical

OT-2026-000058148

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000058148) never changes.

Identity and time

Publication numberOT-2026-000058148 · never reused
Internal UUID01a0ae88-6edb-7807-9648-5d4052822c96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058148
StatusPUBLIC

Content hashes

Canonical text638cd130f02c311f739be15c80c916b3707fa1781cab64278d8007a40cc17d26
Markdown59cda24b86518e5cd1fd85a56d71eb42be536d930e168d518dd7dd37cda7e0b0
PDF
Publication page7933d94b524e744e2b1a549cc87faacddec88f53c30fef6ca992bed7b9ee7d40
Manifestf68d3ba02149b13a53bb2ddeaa48335f9c145cfe9f5436b675501da48ef72de1

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
SignatureKnGHF3RCen785M6g4cdjcK3e1sY+ziLG2hQPF2lMy9Ly+JYEnwnWybtkeBMBYHn3L/4eQSLsYhN1YYbMKmwQBA==
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...

Independent retrieval

2026-09-17T10:47:50.230708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058148
observed 7933d94b524e744e2b1a549cc87faacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.211070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058148/manifest.json
observed f68d3ba02149b13a53bb2ddeaa48335f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.189981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058148/publication.md
observed 59cda24b86518e5cd1fd85a56d71eb42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.167577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058148/publication.txt
observed 638cd130f02c311f739be15c80c916b3...
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.