OT-2026-000004258
Publication integrity record
Porous face vacuum gripper, four zone face, plant vacuum fed
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-2026-000004258) never changes.
Identity and time
| Publication number | OT-2026-000004258 · never reused |
|---|---|
| Internal UUID | 01a0a912-bb33-7131-a3ac-9ce2e883955b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:12.214566Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004258 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4685cf0c15065d491204e1caee905724771511b6dafdde5299c9bfd2e56be5a8 |
|---|---|
| Markdown | fd6b9d1a49f3bb10478314cdf173c6efe3458f2c0bd3f32ad7b979189d218dbc |
| Publication page | 766bf5967373aa7e2baf3f7ff4535bcb0803a67cb648f1e16b1d1bc21ab695b3 |
| Manifest | bc2d76a04810ff180184ddab23f3cc93bfeca47275275283a39640712a3ccd17 |
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 | ElWOPiQ3uMHtysXVe6/Vfwit4yRtO2ZON2IX0tRCRVi9m9wVkZCMJGcRaTSGhdweUHgYRDvOPGYN3U7DrVZxDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:18.238684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004258observed 766bf5967373aa7e2baf3f7ff4535bcb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:18.225788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004258/manifest.jsonobserved bc2d76a04810ff180184ddab23f3cc93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.211761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004258/publication.mdobserved fd6b9d1a49f3bb10478314cdf173c6ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.197045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004258/publication.txtobserved 4685cf0c15065d491204e1caee905724...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. |
|---|