OpenTechnical

OT-2026-000036181

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000036181) never changes.

Identity and time

Publication numberOT-2026-000036181 · never reused
Internal UUID01a0ae77-01cf-7a29-9688-0238e565e8e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036181
StatusPUBLIC

Content hashes

Canonical text110032c310663cc93dcfb10cc2a8d30b78b6cd61a7ff0ebdefed823a5e1761f1
Markdownc6613197893d943b1a5738d5c36eb4a0728fcb9d9f7c02f63e551dd8e68837ab
PDF
Publication pagef11e3e8fd724e9180b544986473ca0b1009f3e301f39029be904fd6cb7f0179b
Manifest0a77dcdd2cc35c4674908b38c0e114c24d9ed882e26a874597fd7be4c0007bf3

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
SignatureTLgURtQi8oQUbMSPB/Ol0yfDuigYcevxb5MMEpudEF/J3YT7bBfkWmGGNzKi6eRCoFuUnMYnzjDAh1jT9oKgAA==
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

2026-09-17T11:26:24.716625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036181
observed f11e3e8fd724e9180b544986473ca0b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.700107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036181/manifest.json
observed 0a77dcdd2cc35c4674908b38c0e114c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.683850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036181/publication.md
observed c6613197893d943b1a5738d5c36eb4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.665901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036181/publication.txt
observed 110032c310663cc93dcfb10cc2a8d30b...
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.