OT-2026-000003531
Publication integrity record
Porous face vacuum gripper, four outlet manifold, plant vacuum fed
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-2026-000003531) never changes.
Identity and time
| Publication number | OT-2026-000003531 · never reused |
|---|---|
| Internal UUID | 01a0a90a-4b70-7ae3-afac-31d8cb9e9ffb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:06:59.315190Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003531 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5fa1bbb2fc154f1f609644c86d9024811df8f951a3c13a35527f91c98f978c7d |
|---|---|
| Markdown | 249be6654c887880bbb6a93bfb9a41b6a37a8880f66e0651ecec480fca5fc56f |
| Publication page | f7037394afbb9524873aab72a4d08ac7fd305408b1218eb41f9f40005502cc9c |
| Manifest | c0d6d3fcb41386eb8056555105131f8b2e1826d5f08280ce3a6a08fe5f0a025e |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | MQmwY5xw7F/Ll75yUrdUuYJlbPh8KkRTsqUyBJWWo2KCHVykdWiZqlcD0e9L6DK9PPE7meuGzI/r8OVuqDEoDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T08:45:24.657992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003531observed f7037394afbb9524873aab72a4d08ac7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:45:24.214539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003531/manifest.jsonobserved c0d6d3fcb41386eb8056555105131f8b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:45:23.981716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003531/publication.mdobserved 249be6654c887880bbb6a93bfb9a41b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:45:23.685327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003531/publication.txtobserved 5fa1bbb2fc154f1f609644c86d902481...fetched by grabo-systems from 34.44.131.203, 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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|