OT-2026-000057553
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer
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-2026-000057553) never changes.
Identity and time
| Publication number | OT-2026-000057553 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2693-71a8-b3dc-37bfe4c829ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 258f7c40fa8ebe767f9471d7ce3839525463fadec865338364ea7d72af80cd90 |
|---|---|
| Markdown | fc81e38de2e7d948a7c92bc63786f99662ece1399ad06a0dda7824b908901d76 |
| Publication page | 131751204864e5dc877d617ee9bf0ca3a5e5cbd380a51da4ee692d8a0382a153 |
| Manifest | 64b7aecdd8656c739545280551c5d74dbb364d0e751d21456ae62e6f65ed177a |
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 | n9l+lVm2Gx9vArf+cfajjUKwSdp0bU2DjeJhbYLgqjSl1/3sFIvXMod7Q17p2rh315qL+ZYL2FZJZgaxBrQ9Cw== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:48:05.697127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057553observed 131751204864e5dc877d617ee9bf0ca3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:05.678892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057553/manifest.jsonobserved 64b7aecdd8656c739545280551c5d74d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:05.630609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057553/publication.mdobserved fc81e38de2e7d948a7c92bc63786f996...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:05.613532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057553/publication.txtobserved 258f7c40fa8ebe767f9471d7ce383952...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. |
|---|