OT-2026-000052461
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000052461) never changes.
Identity and time
| Publication number | OT-2026-000052461 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573a-729b-a4a4-cb7a559f29f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052461 |
| Status | PUBLIC |
Content hashes
| Canonical text | a20a5b9a85636efca3244789b09617aab58ff15cc6145df2aa5a4286ec45dd8e |
|---|---|
| Markdown | 82d8dacfc2bc0b9df8caeb5425f29d7f515675bb6d946632f196db9b0fa7c8e4 |
| Publication page | c1d6a351fe122477940a3843fc5cd26f65b4fea60faa0fed073954de3abe2c2d |
| Manifest | a44a39089269423f651166f2c11477533b070be0269a6ab8907f6b699ecab729 |
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 | AGmNXWAweh/dtozFhC9oPd+ttkWC/qart1jq78wy8DbGu1hZLMsVG6sClp/5+0sHlXOlCLNB80p0F7Phmr9PBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:05.260562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052461observed c1d6a351fe122477940a3843fc5cd26f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:05.242800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052461/manifest.jsonobserved a44a39089269423f651166f2c1147753...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:05.223410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052461/publication.mdobserved 82d8dacfc2bc0b9df8caeb5425f29d7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:05.205337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052461/publication.txtobserved a20a5b9a85636efca3244789b09617aa...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. |
|---|