OpenTechnical

OT-2026-000015397

Publication integrity record

Two cup 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-2026-000015397) never changes.

Identity and time

Publication numberOT-2026-000015397 · never reused
Internal UUID01a0ae6d-ef49-744c-ab97-20bd344d811d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015397
StatusPUBLIC

Content hashes

Canonical texte70e13662f6fb7e7e22c4e18c36bea4271c471e6599400f5c3b13ff380ba7ebd
Markdown7e7eb75d6994873c0372348849badd97984cbe83908025391e35f4817458464b
PDF
Publication paged43fe890be1746d26de3cdcbf9430827d46819c9a96a06b1d1ac41ff80b3d824
Manifesta6dcf1ff855314cfcffc59dc2bd890f19ae4feafe8197660dc34857a81b7f59f

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
SignatureMJgul0JYeVpzEjm6kYOvehF/kDKWv9uJ6W34TAJGEcmXG9G7HfEpTL5jGeTBIalpJBHa7AkPwXpjEa21JWkJDQ==
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

2026-09-17T12:06:07.223655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015397
observed d43fe890be1746d26de3cdcbf9430827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.203642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015397/manifest.json
observed a6dcf1ff855314cfcffc59dc2bd890f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.183693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015397/publication.md
observed 7e7eb75d6994873c0372348849badd97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.164563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015397/publication.txt
observed e70e13662f6fb7e7e22c4e18c36bea42...
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.