OT-2026-000005890
Publication integrity record
Porous face vacuum gripper, plant vacuum fed, pulsed blow off after set down, 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-2026-000005890) never changes.
Identity and time
| Publication number | OT-2026-000005890 · never reused |
|---|---|
| Internal UUID | 01a0a948-432c-7cc0-9bbb-3ce39b5f709f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:14:40.431617Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005890 |
| Status | PUBLIC |
Content hashes
| Canonical text | f7f5fa34c75af33f91681d591bf65b24c588bb58766c912d263b52d5414c9b2f |
|---|---|
| Markdown | b7ebd576bf90de5ed8a5d4120c9f894bc8cf67b9d600eda464e24c3b739d2239 |
| Publication page | cb0d5d47f45bfd84faf888fc17b23c42523580225486d0b67afc74cfcc6c3a1f |
| Manifest | 2cfe6cf61ef9b99d5f42f8ef9f28222e601859d3af03d165c51c02ecb715be63 |
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 | CLrNeDVmwo+35erFHlhkTOWBu4BsJ6bYdIPWlFj74hn6VCTnpWiGwPxI7Lz36+4PCUaPsL0/u2DWiqvJhfcCCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:20:21.000973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005890observed cb0d5d47f45bfd84faf888fc17b23c42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:20.985859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005890/manifest.jsonobserved 2cfe6cf61ef9b99d5f42f8ef9f28222e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:20.971138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005890/publication.mdobserved b7ebd576bf90de5ed8a5d4120c9f894b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:20.950702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005890/publication.txtobserved f7f5fa34c75af33f91681d591bf65b24...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. |
|---|