OpenTechnical

OT-2026-000019726

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000019726) never changes.

Identity and time

Publication numberOT-2026-000019726 · never reused
Internal UUID01a0ae6f-1fb4-7527-b152-8980b6d96dac · 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-2026-000019726
StatusPUBLIC

Content hashes

Canonical texte46c9af0cefa3848c9b474b9c76344eefd337f0fb7de7e468febe99d6c1447c4
Markdown6f30ef7db2a69fc24eb9ac0db56957be04b91d230cf533b66c31f143abef84de
PDF
Publication page773034eb945a339a4be05247950f1041d72a97743fd08378ced271675f36d1ff
Manifest5c3fee668a704359bb6b87e566d213177c420f05320a84709b48a00a157f3389

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
SignatureX6ll72TJkfnqqrU7yYYJbERiy6fq1do+419PvQrToxkS3r4lhdGx8/df+H4qerNh7d6CTijhVaIqQG/cUYaFCw==
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

2026-09-17T11:57:48.897257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019726
observed 773034eb945a339a4be05247950f1041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.880061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019726/manifest.json
observed 5c3fee668a704359bb6b87e566d21317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.862500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019726/publication.md
observed 6f30ef7db2a69fc24eb9ac0db56957be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.835428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019726/publication.txt
observed e46c9af0cefa3848c9b474b9c76344ee...
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.