OpenTechnical

OT-2026-000025252

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000025252) never changes.

Identity and time

Publication numberOT-2026-000025252 · never reused
Internal UUID01a0ae71-5fa6-70df-a157-7a822c8dff38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025252
StatusPUBLIC

Content hashes

Canonical textcbdde29436bda204c551cb5024a7afbe12fc87220c8f5ac0cf87065aa9fbea0d
Markdown96d55d007d92b0505ad7c226a3c5e6bdd7f769e9ed14d5bc8e34de80ba6a356d
PDF
Publication page086b429d2a35d2df80d5e7f9173e03128b90d6925be0d89e68d8c266181fbbe0
Manifestf24ef0cc9f2a278f1f23fda7257a4d9dfed7cf027f7b6bb2e01f096b01afb852

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
SignatureM5mtMwFKbQcuEmJSPjdfKQNX4IuVi4Yj5rrD3WgU/kqH6aDuKzF9h+SOhCUUtldwiAT8pTfK8Y8k6SCSK9NoAw==
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

2026-09-17T11:47:15.513893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025252
observed 086b429d2a35d2df80d5e7f9173e0312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.494553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025252/manifest.json
observed f24ef0cc9f2a278f1f23fda7257a4d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.478811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025252/publication.md
observed 96d55d007d92b0505ad7c226a3c5e6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.461973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025252/publication.txt
observed cbdde29436bda204c551cb5024a7afbe...
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.