OT-2026-000005130
Publication integrity record
Porous face vacuum gripper, three zone face, three stage ejector, contact triggered, closed cell
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-2026-000005130) never changes.
Identity and time
| Publication number | OT-2026-000005130 · never reused |
|---|---|
| Internal UUID | 01a0a92e-cd60-7a48-a359-4dd35f712edc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:46:51.875495Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005130 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c63fa22d58c301409ea20758a65799008df7903825926262ea3edbb9d09f42c |
|---|---|
| Markdown | 0098f02b6d81e46b64d5eba7f06ae00cbed694ac83631eb4b33da95d3846f678 |
| Publication page | 34ce1eb210a86b347875e52747b87785b6c19f7faa0f9b475738df22e18dcb8f |
| Manifest | a975e673779d1764c5e9a501ef5fd7f56a49bca1f31f1536174a6d56f53aa31a |
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 | yOk19hbnKqhpQfetabtHm1YuKTm1mI/hgTmIQveo1Mr4APEZVyrCWHNHv3GJiEGVkMfxvk9xDYUYXJqEdnsdCw== |
| 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
| 2026-10-21T12:41:19.215796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005130observed 34ce1eb210a86b347875e52747b87785...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T12:41:19.169757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005130/manifest.jsonobserved a975e673779d1764c5e9a501ef5fd7f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:41:19.121108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005130/publication.mdobserved 0098f02b6d81e46b64d5eba7f06ae00c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:41:18.918486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005130/publication.txtobserved 4c63fa22d58c301409ea20758a657990...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:11.861994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005130observed 34ce1eb210a86b347875e52747b87785...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:11.724713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005130/manifest.jsonobserved a975e673779d1764c5e9a501ef5fd7f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:11.522569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005130/publication.mdobserved 0098f02b6d81e46b64d5eba7f06ae00c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:11.208834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005130/publication.txtobserved 4c63fa22d58c301409ea20758a657990...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|