OpenTechnical

OT-2026-000034229

Publication integrity record

Single cup vacuum gripper, three stage ejector, 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-2026-000034229) never changes.

Identity and time

Publication numberOT-2026-000034229 · never reused
Internal UUID01a0ae75-df0d-7fd2-8051-7bd177dc0f5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034229
StatusPUBLIC

Content hashes

Canonical text94dabe207dd476d233cbd4e5de8a385627aeb12c3aa2f52255e317bd3d0fc286
Markdown389893104dcfbce0f45db9c3e27f4bdb70f33925cb8ad104e54f3f1b1742fa61
PDF
Publication page87edea7a951513f2c13ff17545a3bcf6ca2d17174e5a852c1f8e3ca93c1e19cb
Manifestaa408202abb285fc7903372fe07bf807945ff9e623088388e49057126b51f043

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
SignatureO0bCSkZtLr2Chv9g8OUF72fwb6FCCcIwI4z+HbL2ZPD+trHVQquY6moU56N5L58Vvnx5pNJSdySMZmMvUbjwCw==
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

2026-09-17T11:30:46.869127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034229
observed 87edea7a951513f2c13ff17545a3bcf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.854590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034229/manifest.json
observed aa408202abb285fc7903372fe07bf807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.839081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034229/publication.md
observed 389893104dcfbce0f45db9c3e27f4bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.822157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034229/publication.txt
observed 94dabe207dd476d233cbd4e5de8a3856...
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.