OT-2026-000056540
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000056540) never changes.
Identity and time
| Publication number | OT-2026-000056540 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af5-7852-833e-f921ddf1cf5d · 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-2026-000056540 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3bff8001fc680978b20fe544a7cbaf544031ffb16d8f6b088f8697d24277f0bf |
|---|---|
| Markdown | c480de4a5a74423c3faab5a42d3223b261859504bcc76dbe910900e8860e4844 |
| Publication page | 905b2a588203fa0220afea421efc4a28b04fe79019d33d48d9cf31e53f46e6ad |
| Manifest | 819474cae308312b3e08fd0fedf694261593b260d1c7405ab401a94b2363293c |
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 | nTX7j+jZ4BaWXmcVPp+XFbQID5jdtdxPKGExi8wdE6P1ov56qp2JyjFHlJDHv83DMf11H0fPZeyqvnXlm5iUDw== |
| 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
| 2026-09-17T10:49:52.260709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056540observed 905b2a588203fa0220afea421efc4a28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:49:52.242173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056540/manifest.jsonobserved 819474cae308312b3e08fd0fedf69426...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:52.225222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056540/publication.mdobserved c480de4a5a74423c3faab5a42d3223b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:52.207026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056540/publication.txtobserved 3bff8001fc680978b20fe544a7cbaf54...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. |
|---|