OT-2026-000057400
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000057400) never changes.
Identity and time
| Publication number | OT-2026-000057400 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5be-7edc-9d7e-e996a082a57a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057400 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48d855d11eb6166ca09d0edb2ff21fb8615580f4c6e0f60d445cae1f8ba6fb3b |
|---|---|
| Markdown | 58240f98c8b48a62f083b6efc74afff260291b7830ddf8501297667c8fbc5eea |
| Publication page | 581f40a0e4bec4efeb3fa90f251c4d31b615ca7f54f498319caff50d1088f1b3 |
| Manifest | e0f26ead22f2a145d223269b8020f61b08d6f900688861a1dc4c65fb808c56d1 |
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 | R8tsa7HcbaLVw7bMooYz/jWaVmi/4MMkEv8TXnR6nsaWYmxN/8s+Z6HhE4zV3yXw+qQsSHVvY+1w6GQi2eCzDg== |
| 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
| 2026-09-17T10:49:41.204331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057400observed 581f40a0e4bec4efeb3fa90f251c4d31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:49:41.186670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057400/manifest.jsonobserved e0f26ead22f2a145d223269b8020f61b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:41.168090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057400/publication.mdobserved 58240f98c8b48a62f083b6efc74afff2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:41.149052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057400/publication.txtobserved 48d855d11eb6166ca09d0edb2ff21fb8...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. |
|---|