OpenTechnical

OT-2026-000081380

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000081380) never changes.

Identity and time

Publication numberOT-2026-000081380 · never reused
Internal UUID01a0ae96-f375-7a43-b98a-745e3b614506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081380
StatusPUBLIC

Content hashes

Canonical text238b31a14407295cf34f1c28d89e418f7da1926159c8605dec4dfa1c639a15f9
Markdownd695eeedc058bf95ce4ecd41b6fd4a71c0b7c856ec793094ed21491f6e83e215
PDF
Publication page3e83546ec440bdc8ce461299bd2dc86e487f558444b4fb7af34cc3c213fdee3d
Manifest2ddfcabf03fc02f3b53420b52022662ae0e38f0f14d5cda04165328db61ed8bf

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
Signature7mUS8uB/pcLWN4CXDp9z/uSo80fKvznNrLmcAhoX7W5tGreVnS235F3BiN9wFlcuvViPSzqpwklN3RIhjVijCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:31.168871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081380
observed 3e83546ec440bdc8ce461299bd2dc86e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.150234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081380/manifest.json
observed 2ddfcabf03fc02f3b53420b52022662a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.131827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081380/publication.md
observed d695eeedc058bf95ce4ecd41b6fd4a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.114034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081380/publication.txt
observed 238b31a14407295cf34f1c28d89e418f...
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.