OpenTechnical

OT-2026-000033769

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000033769) never changes.

Identity and time

Publication numberOT-2026-000033769 · never reused
Internal UUID01a0ae75-a391-72ba-8841-0edd156c8123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033769
StatusPUBLIC

Content hashes

Canonical textcf33eff82ca1e2232f212956ed0edbec21cd2b4af213bf13ad31c69467ce2f6a
Markdownf44497639a98839893502987a509617a9af86b6430ac06300c56d0e4927c7bae
PDF
Publication page5c6147da6f2d80d3e4f29a59019da2abffac0801f73b1778c95471aeb97e0b3a
Manifest80a9f282b1a5c63c9afae59ce8049bb2918ee958f3f1262be94f135ce24305b9

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
SignatureSfJJTT6QGibZAoJYXykpEdF8Muv+EFzQ1lxCl//W+c6Q6QB1Kj5ah+1vGx8rXjzuX1322Mfae+MB4fA6KNtNBQ==
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

2026-09-17T11:31:48.164965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033769
observed 5c6147da6f2d80d3e4f29a59019da2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.146185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033769/manifest.json
observed 80a9f282b1a5c63c9afae59ce8049bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.126545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033769/publication.md
observed f44497639a98839893502987a509617a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.103774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033769/publication.txt
observed cf33eff82ca1e2232f212956ed0edbec...
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.