OpenTechnical

OT-2026-000050210

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000050210) never changes.

Identity and time

Publication numberOT-2026-000050210 · never reused
Internal UUID01a0ae82-5c46-7255-9214-0ef805162ba1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050210
StatusPUBLIC

Content hashes

Canonical texte3f7828e9f2d5d78fe89871d5b70cb3aca551e96f704d844165df6f441b89f06
Markdown81840e98db59acaa06e0baa2c8fe1f4048f86bea28f3610c77360b5932d51f5b
PDF
Publication page928189df1e0c0b969a1229fbf5f5309563442e9e7bb4c45557b88c36829c2c91
Manifest9ab48a983dde96db9c1bb09c0e769a23a2866e62e80ce038d16ca9cd3e348750

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
SignatureKFOXRZAKX2lia4i1gg6kKhXkFFnp2Jd9IjM5WPPcDlTQw93B7TNOcCnlE6QhUQVNl3VlKQ2VAq9q0vnpoVi+BQ==
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

2026-09-17T11:01:12.037124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050210
observed 928189df1e0c0b969a1229fbf5f53095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.019076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050210/manifest.json
observed 9ab48a983dde96db9c1bb09c0e769a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.000390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050210/publication.md
observed 81840e98db59acaa06e0baa2c8fe1f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.981961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050210/publication.txt
observed e3f7828e9f2d5d78fe89871d5b70cb3a...
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.