OT-2026-000056552
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000056552) never changes.
Identity and time
| Publication number | OT-2026-000056552 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af5-73c0-958b-8b864dde8b09 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056552 |
| Status | PUBLIC |
Content hashes
| Canonical text | 910317b23dcaefcf6fe29aba3087df1ce452fe30cebd4f592d74a946203f0edd |
|---|---|
| Markdown | e0cf5f8ce9ae9b2680ae1163cdf89b1af3ab55218242393f1bd4e5f25f4f2457 |
| Publication page | 1ddf89f1691a85dc990f96ebbdb9234411eac974feca892c182c4b0015cbcdd4 |
| Manifest | 2d5bd1ef75e4f6b04ca1c8e439fd35ccce4fca4af51ec47dfa669e529d9dbbac |
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 | u89u+Ney8DV/ZRJUSbFmOWqU8+S1WO6VlkfxOXDIuHnemQGDkTGWyzxhNwxTRUPE5p17rJpuZRfy4e2g7Vt0Aw== |
| 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
| 2026-09-17T10:49:53.143743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056552observed 1ddf89f1691a85dc990f96ebbdb92344...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:49:53.125681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056552/manifest.jsonobserved 2d5bd1ef75e4f6b04ca1c8e439fd35cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:53.108526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056552/publication.mdobserved e0cf5f8ce9ae9b2680ae1163cdf89b1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:53.091209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056552/publication.txtobserved 910317b23dcaefcf6fe29aba3087df1c...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. |
|---|