OpenTechnical

OT-2026-000013537

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000013537) never changes.

Identity and time

Publication numberOT-2026-000013537 · never reused
Internal UUID01a0ae6d-6fcb-709d-b0e2-8651567cd7fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013537
StatusPUBLIC

Content hashes

Canonical textfd12a35669e4a6b736fd56c217f86b3dad5b47f099e1752cb78b7d3ed3124504
Markdowna4a5517651d3621a48ff6c799e6f01ec3b601fb09d7a00828b37c39fdda39ec7
PDF
Publication page5929ebaa02f1e53f868649226c09df7e2760a05268b64af97bfbd0c0c2d0b185
Manifeste26c9d3f258fe5747377b36914189325d8ce58cc389f2035d05d8c71f51f1a49

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
Signature7FhWeHNZLMI1rpaLTJBVunrIFh1C9agrzmyDt5rz3ecJVhtNJ1HV70pREi8tlS/UwPQF+8mVLgraC8G9yVZ1Dw==
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

2026-09-17T12:10:03.315057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013537
observed 5929ebaa02f1e53f868649226c09df7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:03.296023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013537/manifest.json
observed e26c9d3f258fe5747377b36914189325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:03.275444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013537/publication.md
observed a4a5517651d3621a48ff6c799e6f01ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:03.255994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013537/publication.txt
observed fd12a35669e4a6b736fd56c217f86b3d...
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.