OpenTechnical

OT-2026-000040347

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000040347) never changes.

Identity and time

Publication numberOT-2026-000040347 · never reused
Internal UUID01a0ae79-2700-7e48-b2f6-d68491e2c2ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040347
StatusPUBLIC

Content hashes

Canonical text2b78d0b73c392abd5f19ac81894ed3edad52375ab21bb6e2930b148aec22659d
Markdownbe850fc7c3ef5b9cd0d30b1a385aa6a4c417ad8215c9f4e96b9427777b1e0d53
PDF
Publication page73ad03211f5644b665b5ed89b94beb62efb1a5ef3c39e3ec9ba9b60e7bfcde4d
Manifest2519cc14bdaab010f67080421990a2216b896f2126e4244179ea461ced78af86

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
SignatureANQC/xRYRchOmCIl5ktnSsBEFlJQyKQL30d1KqzOhBzRV0PzdgPM8N7SGeL7mI6m3zwbySSqyY0GKwG5WgdKBQ==
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

2026-09-17T11:19:21.448061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040347
observed 73ad03211f5644b665b5ed89b94beb62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.431825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040347/manifest.json
observed 2519cc14bdaab010f67080421990a221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.414666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040347/publication.md
observed be850fc7c3ef5b9cd0d30b1a385aa6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.397636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040347/publication.txt
observed 2b78d0b73c392abd5f19ac81894ed3ed...
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.