OpenTechnical

OT-2026-000031217

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000031217) never changes.

Identity and time

Publication numberOT-2026-000031217 · never reused
Internal UUID01a0ae74-87ab-735b-bea5-84e811c960fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031217
StatusPUBLIC

Content hashes

Canonical text3104488c6336004be2fc3f718b3f1f4feb2fab5bd6e402a25f10abd4e7237a1b
Markdowna3b960efe9c43c447623f7e0e5d2954ebf91a43a2815f2d6d0858c95e59563eb
PDF
Publication pagea5e73e696533736bdbd7623908fd3441de29052c31cd07f89172023d0c674268
Manifest6150aac9336ddf84e53de817538ad8ea6e22e0e976602048120936e602cc113f

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
SignatureY+x/GoCkDz/AWlldJpgR/TW+Q7y5xIFAgH2TyuFob2SJ65KCUa8sL+4kJHTzIsqcUW5v+gdj8zfEPLktK5V1Cg==
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

2026-09-17T11:35:46.989852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031217
observed a5e73e696533736bdbd7623908fd3441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.972564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031217/manifest.json
observed 6150aac9336ddf84e53de817538ad8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.955513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031217/publication.md
observed a3b960efe9c43c447623f7e0e5d2954e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.937605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031217/publication.txt
observed 3104488c6336004be2fc3f718b3f1f4f...
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.