OT-2026-000020828
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000020828) never changes.
Identity and time
| Publication number | OT-2026-000020828 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-798b-9fc2-72e7e63a8dd7 · 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-2026-000020828 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef7fe21f6f37f7887ed5148d39a9a1b05dc6f7f1aa4bedeae48ed0a5eb3109df |
|---|---|
| Markdown | 30cab63d6fe133257f284e3d4403057691bf3e238817e32afa79f0deda3b947e |
| Publication page | c3c3c1efe3049297c13decd18929e9615b581b9814f75104071d692a6618faa0 |
| Manifest | c4c371124d632c28f02d658497620b16aba209daeea5808f86e5579cf190d552 |
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 | N+nk8wDfGJHp/Tpj6ifaVgj/gtFdx8J//maLPjdK7DqAqu6xu+oMrVVdSaD8XLpUW0kwVqwOzxKik2dNULLIAQ== |
| 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
| 2026-09-17T11:55:55.274458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020828observed c3c3c1efe3049297c13decd18929e961...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:55.255899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020828/manifest.jsonobserved c4c371124d632c28f02d658497620b16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:55.237842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020828/publication.mdobserved 30cab63d6fe133257f284e3d44030576...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:55.220047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020828/publication.txtobserved ef7fe21f6f37f7887ed5148d39a9a1b0...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. |
|---|