OpenTechnical

OT-2026-000019701

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000019701) never changes.

Identity and time

Publication numberOT-2026-000019701 · never reused
Internal UUID01a0ae6f-1fb3-7374-8595-8071d393b6c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019701
StatusPUBLIC

Content hashes

Canonical text4e8802766e68d692036800bddc80a1dd89fd2b9d850997220c1ee378f6df55f0
Markdowna11cb579a4ba136c03f662b3ebca5dba3a1640f4e4810735bc72d06a46d4df40
PDF
Publication pagedc273085277880b17e30842fd4163fba1838175fa76e2764c83990164ab3db22
Manifest90dbe8458ea163a65b9866c410abaffe02fbee52ce7fa038d17eaa80a01f3866

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
Signatureg7t+YzxGoLW41ce5rO8JdSrGOnXEKD/87muhF9jfY1sf901d6mqt423hhgi4Y1oOKW/YtgmAqjPQRV1cRfMsBg==
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

2026-09-17T11:57:47.110848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019701
observed dc273085277880b17e30842fd4163fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.092880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019701/manifest.json
observed 90dbe8458ea163a65b9866c410abaffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.074307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019701/publication.md
observed a11cb579a4ba136c03f662b3ebca5dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.056088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019701/publication.txt
observed 4e8802766e68d692036800bddc80a1dd...
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.