OpenTechnical

OT-2026-000018070

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018070) never changes.

Identity and time

Publication numberOT-2026-000018070 · never reused
Internal UUID01a0ae6e-96fd-7ff3-b883-2d6fae4c207f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018070
StatusPUBLIC

Content hashes

Canonical textf987e85e89ca62bbc9e2b406fe8a0845d1700272d2e78014c93c97cf728bf58d
Markdownd2ace33352d01c8064580486996e7e3a1c7c2471506a3f45d93d82e57288bdfb
PDF
Publication pagec02a9903e802994e35ece8da68017d42a24bcd0db6b058699f38d03a96e27492
Manifest49841381179525a8567475a8ed7e9182bac306da2a2cac23223570810b5ee9a5

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
SignatureCxd2WT8lPfEJ30YQMXpgbOiMzrMb2R0Gq0shoGBgxyRu81VtkpYXYo+9h56CiqputQK6fenJjFID6B23+7MyBw==
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

2026-09-17T12:02:06.646173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018070
observed c02a9903e802994e35ece8da68017d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.628574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018070/manifest.json
observed 49841381179525a8567475a8ed7e9182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.607868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018070/publication.md
observed d2ace33352d01c8064580486996e7e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.590180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018070/publication.txt
observed f987e85e89ca62bbc9e2b406fe8a0845...
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.