OT-2026-000020847
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000020847) never changes.
Identity and time
| Publication number | OT-2026-000020847 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7cf8-a65b-6b88c427cdf6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020847 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4ca2234ccf78d78e9dd3e14d7f44f97f8efebe1da2dd9c32a72ddda081499b7 |
|---|---|
| Markdown | c466a54c593f549099f4b5966f807f5c62cb7dced0053a8725df524215c916bb |
| Publication page | 73d1ced8901a5071f2e8d37445bef5c52d654180008e1a931884dc1561edd0a5 |
| Manifest | 620779b329331827878b425d756769a0254084e0406c81e266c7e66d1e6777a7 |
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 | ia8CHaBAREyONxultp5nn5XZKPSJqBpjLQBEzmfXiakBCzrXRywTPThv5saOD0uqaeOkSCkaGA13YWDRfVDxAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-22T04:23:30.990554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020847observed 73d1ced8901a5071f2e8d37445bef5c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T04:23:30.976559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020847/manifest.jsonobserved 620779b329331827878b425d756769a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:23:30.952217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020847/publication.mdobserved c466a54c593f549099f4b5966f807f5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:23:30.928998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020847/publication.txtobserved a4ca2234ccf78d78e9dd3e14d7f44f97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T00:43:23.066112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020847observed 73d1ced8901a5071f2e8d37445bef5c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T00:43:22.923530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020847/manifest.jsonobserved 620779b329331827878b425d756769a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T00:43:22.761371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020847/publication.mdobserved c466a54c593f549099f4b5966f807f5c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T00:43:22.590342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020847/publication.txtobserved a4ca2234ccf78d78e9dd3e14d7f44f97...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 |
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