OpenTechnical

OT-2026-000072570

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072570) never changes.

Identity and time

Publication numberOT-2026-000072570 · never reused
Internal UUID01a0ae92-89d8-7bf0-bb64-fc17856c1dae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072570
StatusPUBLIC

Content hashes

Canonical text278989197dc2f34b23e5140c822a9179a5db0244dd8ede9c053915ceb0560974
Markdown3bd301f1918877c87f8e074eabdf32e1129be618d6de418f0c63d705756db583
PDF
Publication pagec3ec1b5fd7e26002113647b3cc52291ad3cfaa05dc673b2cdfd2003ca6e5321b
Manifest362090b6ea69bc9709462b9f0e3a20edd51fcfe4031c162bb78b7be0a06640e9

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
SignaturezMio9SYeZMMDAPI9UaCWBF8mNL/cngkJY+P3AtWpPZm2WiXzxYrsV8x3/Shn+aHlbPYbI+q9Q50XVAoXzEcoDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:24.538683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072570
observed c3ec1b5fd7e26002113647b3cc52291a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.522972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072570/manifest.json
observed 362090b6ea69bc9709462b9f0e3a20ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.505420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072570/publication.md
observed 3bd301f1918877c87f8e074eabdf32e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.487215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072570/publication.txt
observed 278989197dc2f34b23e5140c822a9179...
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.