OT-2026-000004153
Publication integrity record
Vacuum cup gripper, three outlet manifold, pump fed, pressure verified at each zone
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-2026-000004153) never changes.
Identity and time
| Publication number | OT-2026-000004153 · never reused |
|---|---|
| Internal UUID | 01a0a90f-9b4f-7d12-b173-937d0d8f051c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:47.441793Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004153 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7ecbb9e5e9f7fd467432b2fe438b33a30d1c9ab4a98ae8720d59508044a9d89d |
|---|---|
| Markdown | 581a111d6f6c873405a5ab4a19f4b5e7cb7e9ffb9d894587375ffe492cd71020 |
| Publication page | 2a989d25492cdbb3c392299a9ef4f0bc3d5eb84a9def492b95db33f12830f8f1 |
| Manifest | f7f464877fa27118062d0d5f203fdf1cdbd6b8a86ad144cf44f1a170656bd456 |
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 | JvultNv1MH/7qAN9HqBjKBs0pVXOUhTbwmWgL+LHUMRUIJpKmW9KRz9w0XMAxSGjfWIwlmQXL3wHME5ZPiqNBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:30.420054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004153observed 2a989d25492cdbb3c392299a9ef4f0bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:30.407320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004153/manifest.jsonobserved f7f464877fa27118062d0d5f203fdf1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.393794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004153/publication.mdobserved 581a111d6f6c873405a5ab4a19f4b5e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.379933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004153/publication.txtobserved 7ecbb9e5e9f7fd467432b2fe438b33a3...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 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. |
|---|