OT-2026-000007400
Publication integrity record
Vacuum cup gripper, pump fed, sustained blow off after set down, polyurethane cups, oval form
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-2026-000007400) never changes.
Identity and time
| Publication number | OT-2026-000007400 · never reused |
|---|---|
| Internal UUID | 01a0a97d-69b2-7b14-8263-0cc097130a0f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:12:43.701719Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007400 |
| Status | PUBLIC |
Content hashes
| Canonical text | a63aaf05f861c574cc9f99cf198080e01819f1bfe713f0bfa4c18875187df8a7 |
|---|---|
| Markdown | af6369b50974a3ad42b29887158071a1352cce2837069d04208155db2bdcc7f8 |
| Publication page | dcfcf750de52ae86ef3c5f82125a457fcad86fd9f0f7bb23efb89d266483b30f |
| Manifest | 4fb29f79e14f5bf811471025ae4de6881e91d2e0bdbf6b7cbead7756ff7a20c0 |
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 | CQsvk3VGvH7jvx8QBFHnDx/i+uagzWBIvLE+OcDX0W0KBhrIJIP8ERbpbM6sOZQ3msdE5p4vsZTZ8Lf3cPWzBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:07.516007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007400observed dcfcf750de52ae86ef3c5f82125a457f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:07.501560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007400/manifest.jsonobserved 4fb29f79e14f5bf811471025ae4de688...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:07.489814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007400/publication.mdobserved af6369b50974a3ad42b29887158071a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:07.476025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007400/publication.txtobserved a63aaf05f861c574cc9f99cf198080e0...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. |
|---|