OT-2026-000020740
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000020740) never changes.
Identity and time
| Publication number | OT-2026-000020740 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7722-a2b1-2dee0fdc2a34 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020740 |
| Status | PUBLIC |
Content hashes
| Canonical text | 85867ab185d7f453d97a10b65fc17d4615f4bcb4dfde83d57397058f9baca600 |
|---|---|
| Markdown | e885ab16faeca6ee257954507efeaa693da1779f53079a73be2f270465f44dc7 |
| Publication page | c4f5f87863e7a6acc6b3ce3d80c33f37003adcb785ea625b857a7b7644905e1a |
| Manifest | d3d5c7876d7a4f565dbdab7d89059a5b812c3fe86f5233417cdb77b0a7f86878 |
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 | eoALMv9p5VszGpsF6JQ95BrVJlF2XnDA2HtlPb1w/DMjiHiacamnsA61YYzRmXC0VhEx+6cTjA2BGPzori6fDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:48.314043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020740observed c4f5f87863e7a6acc6b3ce3d80c33f37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:48.296736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020740/manifest.jsonobserved d3d5c7876d7a4f565dbdab7d89059a5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:48.277318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020740/publication.mdobserved e885ab16faeca6ee257954507efeaa69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:48.258268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020740/publication.txtobserved 85867ab185d7f453d97a10b65fc17d46...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. |
|---|