OpenTechnical

OT-2026-000033231

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000033231) never changes.

Identity and time

Publication numberOT-2026-000033231 · never reused
Internal UUID01a0ae75-4845-725a-8ffc-a8111e70cc27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033231
StatusPUBLIC

Content hashes

Canonical text4030b0d938a2803d353664d649268a43c70ed386d5f80dbb3dd3caeea9b70324
Markdown7cec525909646490e662641f80877b3a4a3dac92ab91949309f44e32468dc8ba
PDF
Publication page29ab30d0c5836c6bd888dabf3c0461fdcc438d5b6b2d6875b06b261cd7bac50d
Manifest394918d62197444662c16224f222f5057d1112ceeaa8ce11ec5843201e947764

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
SignatureUxDhVaTw+6NBF93jcD/VQFMkdnYxpFSFdCPLviuVVuBd94rXvX9Khcg3BFT9mA3UIeyqSANLAfwNfEOxFAb8Cg==
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

2026-09-17T11:32:56.242258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033231
observed 29ab30d0c5836c6bd888dabf3c0461fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.226302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033231/manifest.json
observed 394918d62197444662c16224f222f505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.208593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033231/publication.md
observed 7cec525909646490e662641f80877b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.191199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033231/publication.txt
observed 4030b0d938a2803d353664d649268a43...
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.