OT-2026-000057480
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000057480) never changes.
Identity and time
| Publication number | OT-2026-000057480 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2692-7bea-844e-afcf712babe1 · 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-2026-000057480 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6df490b088c723146e3fb5c07bb1e6a6458d1b0e308845cd34314ca0ab10e5b |
|---|---|
| Markdown | 19be77ee1d36e2bb974482ed052932592fbeeda3e7694be20b020d1f9b48e533 |
| Publication page | c111732d35c3de27dc1ca3509993cc98c8d6099224560bcc7de7464286467b1a |
| Manifest | 63cc53f72c2d16e6f58fce9bd15600bce84f0bb7a432cc8f34903f85515acce9 |
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 | 0/NMAA81aCDYLI0dk5z+ZC2MDWXVQmbyd2TNAHKQXR8d3aAxxIzTSig4dqLlXum4oI4hyJnJADV4IbCaBXSbAw== |
| 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
| 2026-09-17T10:48:00.075565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057480observed c111732d35c3de27dc1ca3509993cc98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:00.059238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057480/manifest.jsonobserved 63cc53f72c2d16e6f58fce9bd15600bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:00.041542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057480/publication.mdobserved 19be77ee1d36e2bb974482ed05293259...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:00.019576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057480/publication.txtobserved c6df490b088c723146e3fb5c07bb1e6a...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. |
|---|