OpenTechnical

OT-2026-000031732

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000031732) never changes.

Identity and time

Publication numberOT-2026-000031732 · never reused
Internal UUID01a0ae74-bad0-71bb-a10b-32965d89bffd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031732
StatusPUBLIC

Content hashes

Canonical text6a84dbe8e85d80d1f61019cc6f18f5aef2b772e02432af1d51f10ba372dfd868
Markdown36c18baf7550871a3859cc2e92744168c83675294806046716cb96381ff7e4f2
PDF
Publication pagee76ae0df6d8e7169d89ae8f99bcd929c331dd92c6f29a77f9b2e4203c7ef0f55
Manifesta67b9595111bffe2a417499f6a2a5cd36668a42aa85e8863bb7db4e1dc853ffc

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
SignatureSvxYS4/k+OhivuWXIYjUpMiU6y/z7J2VJDMVz7n72SxnWtPIqo7PsYw2BcKhbF0ELCFWXySwo0d6N/6bvpvuCw==
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

2026-09-17T11:34:50.807267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031732
observed e76ae0df6d8e7169d89ae8f99bcd929c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.788618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031732/manifest.json
observed a67b9595111bffe2a417499f6a2a5cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.771849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031732/publication.md
observed 36c18baf7550871a3859cc2e92744168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.754438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031732/publication.txt
observed 6a84dbe8e85d80d1f61019cc6f18f5ae...
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.