OpenTechnical

OT-2026-000037772

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000037772) never changes.

Identity and time

Publication numberOT-2026-000037772 · never reused
Internal UUID01a0ae77-f889-75b3-8c0e-a5efd70fa627 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037772
StatusPUBLIC

Content hashes

Canonical textf7e6a56a5e4734fccfc466ac99124ab5d94dd8bbcdb5e658bf22c77601dfad2d
Markdown8e0452b7fb1496a2b55e184cef80d761b9c4ca2e073cb5164bdfbfbf2dbc0f96
PDF
Publication pagecd0dfbd722c8a9fe43770e99b73a164d50360cb46f652cc2eb30bf8a163e7b60
Manifest5968c8804ea1171b7061aaaf23029785030c6bf1415d113f87ec19a2bec9d62b

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
SignaturetXu+IiHej+54gwdfuK9+10XK0jGpd11vuIVvstbKjl9J65on6DU6qW//UOtNxTeMvYK2hjY8eVWuqipaBo2oCw==
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

2026-09-17T11:23:00.239199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037772
observed cd0dfbd722c8a9fe43770e99b73a164d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.220851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037772/manifest.json
observed 5968c8804ea1171b7061aaaf23029785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.200734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037772/publication.md
observed 8e0452b7fb1496a2b55e184cef80d761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.182369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037772/publication.txt
observed f7e6a56a5e4734fccfc466ac99124ab5...
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.