OpenTechnical

OT-2026-000019296

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019296) never changes.

Identity and time

Publication numberOT-2026-000019296 · never reused
Internal UUID01a0ae6e-f392-7af4-b3cb-676e320d7416 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019296
StatusPUBLIC

Content hashes

Canonical text0a72219fcbf93e3de8f354df274233bc77d45aab0c3d0ba5485ca7f6ce25a8cb
Markdown39cd8c923a5aeafd41d69a6107d0aeaabf02d7f90a8916453f2412c3d099825b
PDF
Publication page1a12185e929be2c0768ee956d76c635c4cb0e3f7371d1fbdbbe2abc1b2f4e8dd
Manifestdb8673177c21d54bed163b4cddb2cb97a9bd63e76a99ab6c76955c1e980bac9b

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
SignaturepZfnSOz0sg/FJDgs0T9lVhQzEp/WnVIk3cZklvW80ieml18Gui1sjDrywHVxkM4jClyD8wwERHGp3PJoQxUhAg==
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

2026-09-17T11:58:39.167034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019296
observed 1a12185e929be2c0768ee956d76c635c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.149163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019296/manifest.json
observed db8673177c21d54bed163b4cddb2cb97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.127297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019296/publication.md
observed 39cd8c923a5aeafd41d69a6107d0aeaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.108926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019296/publication.txt
observed 0a72219fcbf93e3de8f354df274233bc...
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.