OpenTechnical

OT-2026-000018518

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000018518) never changes.

Identity and time

Publication numberOT-2026-000018518 · never reused
Internal UUID01a0ae6e-b48a-7687-b434-25de5921e5e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018518
StatusPUBLIC

Content hashes

Canonical text82def7d77aeb9882e5ede0fa912bbf574c18d2ca6195dfd9b13fbf9c87764b2a
Markdown4d94f17e185bfb83d66144174f02ab6020da9d9965d8a0c93d0bdc404b0bc892
PDF
Publication page2abc0d9aace66e1e74fbe6083331165a3755d0a1b2abcf5fa265149b001eb7e5
Manifest8a09a9c99926c2a60d0b97d15afcbeff9ca8efa3631d43b4201f1a35da4de2b7

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
SignatureiO6l0kdVCB3Ps+7GhgtDcafv3UygX4MSdNRYAgikeSACP7zq60ySBh1SnJ6i9CQ4qpnGX5CE4yTFo9WtISCqBg==
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

2026-09-17T12:01:17.392308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018518
observed 2abc0d9aace66e1e74fbe6083331165a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.375164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018518/manifest.json
observed 8a09a9c99926c2a60d0b97d15afcbeff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.357100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018518/publication.md
observed 4d94f17e185bfb83d66144174f02ab60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.339323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018518/publication.txt
observed 82def7d77aeb9882e5ede0fa912bbf57...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent