OT-2026-000074519
Publication integrity record
Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000074519) never changes.
Identity and time
| Publication number | OT-2026-000074519 · never reused |
|---|---|
| Internal UUID | 01a0ae93-717b-7c4b-9690-7d76e1176447 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074519 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f069ef1e9ecfc7139b5e6b3e8a7e82f51457e4461889f4b70eff68dcc7bca25 |
|---|---|
| Markdown | f4e0e4879eea749380d4184f36a28ca7488855d4f74c4441af8c8a56dd5fd497 |
| Publication page | a1551f14439cc8b8639fb78898fa9017277179a857d75363ed48dfcc781f5f1c |
| Manifest | 498ef1c70c326ee0112cef2e49d858e8b7fd5aa2f340fdce718361c0f324f9ef |
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 | KDbPu+TeTw/W1wB8cAWffNUfvDI8L/78iPF+5twZ7KBAEDPl+UtVLrk+iB1GzKB+y3NVx8e0QOsggZIGE0q0AQ== |
| 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
| 2026-09-17T10:19:29.779067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074519observed a1551f14439cc8b8639fb78898fa9017...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:29.759511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074519/manifest.jsonobserved 498ef1c70c326ee0112cef2e49d858e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:29.740071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074519/publication.mdobserved f4e0e4879eea749380d4184f36a28ca7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:29.721635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074519/publication.txtobserved 8f069ef1e9ecfc7139b5e6b3e8a7e82f...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. |
|---|