OpenTechnical

OT-2026-000029393

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029393) never changes.

Identity and time

Publication numberOT-2026-000029393 · never reused
Internal UUID01a0ae73-5e20-7634-95c6-853710797a9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029393
StatusPUBLIC

Content hashes

Canonical text0969f4c068a2cd09845ed5ab95c5a89ce43e2a62cdaeecad3dd763f8d471578e
Markdownb1dea1d7ec6e88d5017444043080d948e18676fcdb3d6755a8dd52189b23ba78
PDF
Publication page78146b8b64fb791f1196dddb296c90c9707df66dbf94e24db537648a681e96ec
Manifest93631e26471739cda3f458020986bdbe1e5e40c6cdb118ec90b2f4e1769e68e7

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
SignatureAS45MKxCZm3HHl5nhQk+wimDW+hz3Hbas+59np8veu4UftmihMsTmFrhT0RibkkzxyLttfNiNuMsl0FL8E0iBQ==
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

2026-09-17T11:38:57.700499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029393
observed 78146b8b64fb791f1196dddb296c90c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.683060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029393/manifest.json
observed 93631e26471739cda3f458020986bdbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.665032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029393/publication.md
observed b1dea1d7ec6e88d5017444043080d948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.646088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029393/publication.txt
observed 0969f4c068a2cd09845ed5ab95c5a89c...
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.