OT-2026-000072021
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two 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-2026-000072021) never changes.
Identity and time
| Publication number | OT-2026-000072021 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c0-7171-b5a4-88c110625ca1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 09fdafb3e16c1798c88ca96af209f105c148b1563680a5e9924ed8a5e63054fa |
|---|---|
| Markdown | 7c39645834380cafa501b902bb1882113419cf69fabf20f054362d613d5e3a59 |
| Publication page | 8894c6759680ea6cc3cd8c7e15f86e6a769db3ec3609ced75aa2f72259ff73aa |
| Manifest | 3a47a392faa34dad896d0dc7f340ee7b9d97839343fc7f6ba7dd405e0457bdb4 |
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 | aIdzvenbM7e4rb8b9vO5BW34zOXiovXg281Cz4vMY05DgtsTfPMA5bBSRc9R+MI6xM2e520PGB7fSmdN7/TOCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:04.989536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072021observed 8894c6759680ea6cc3cd8c7e15f86e6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:04.971612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072021/manifest.jsonobserved 3a47a392faa34dad896d0dc7f340ee7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:04.955815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072021/publication.mdobserved 7c39645834380cafa501b902bb188211...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:04.938314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072021/publication.txtobserved 09fdafb3e16c1798c88ca96af209f105...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. |
|---|