OT-2026-000005131
Publication integrity record
Vacuum cup gripper, common isolation valve, pump fed, pulsed blow off before set down
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-2026-000005131) never changes.
Identity and time
| Publication number | OT-2026-000005131 · never reused |
|---|---|
| Internal UUID | 01a0a92e-d4a4-7689-84f9-302b70977f96 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:46:53.734847Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005131 |
| Status | PUBLIC |
Content hashes
| Canonical text | b3aa2c9e1313e7dbd4be4bc80509e36cb22c544b411a3af6fc23d60841d484a3 |
|---|---|
| Markdown | 878bba805f45b1b80eb51cba218d189b0d1826ce3ed4b6af65716a458bb1aa56 |
| Publication page | 4f83e11ed689bcd463d51e08458287663c88ff417e5c4d67bf7d6a4d35bb82d4 |
| Manifest | 39f2550037d64be82ddffbf1a145835a902316806834f8b1671ce7830c7c8549 |
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 | OQNdWgDhdegRwmkbepBkPBQngpfcrz6qMaj2UJyf20fSGtT+aRy4OGbPcriqCNd8ciJXo9t5k+empJAoy/+bCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T08:41:19.428618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005131observed 4f83e11ed689bcd463d51e0845828766...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:41:18.886094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005131/manifest.jsonobserved 39f2550037d64be82ddffbf1a145835a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:18.398746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005131/publication.mdobserved 878bba805f45b1b80eb51cba218d189b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:17.661147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005131/publication.txtobserved b3aa2c9e1313e7dbd4be4bc80509e36c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:12.137952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005131observed 4f83e11ed689bcd463d51e0845828766...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:12.123043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005131/manifest.jsonobserved 39f2550037d64be82ddffbf1a145835a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:11.992786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005131/publication.mdobserved 878bba805f45b1b80eb51cba218d189b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:11.979797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005131/publication.txtobserved b3aa2c9e1313e7dbd4be4bc80509e36c...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. |
|---|