OT-2026-000056528
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000056528) never changes.
Identity and time
| Publication number | OT-2026-000056528 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af5-780c-8785-4e67397aeaf2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056528 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ca9313442351a1ae3e5717254fe688bdd0b89d6d639c5bdb0338c9472cffc0c |
|---|---|
| Markdown | 9e30c87b113706789f848c83cefb5926b90ca6826a32ea42c78559a4544d4c3d |
| Publication page | fc6c3bca72dc3cebe22076548c0d144831f9f13c5cfe33c3c045fae3013d6494 |
| Manifest | a0e14e470bf1b9af757e52c4d7006a7b02e5ed95ecdaf66910d0881e3353b293 |
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 | DuppIac0NYM+7puKHELwnlQXU11Z/hVJydIxZ4rDJ/DRWMIejZLtMgciNIbEkSwtnlJAMa2mbB+sR9TK5AkNDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:49:51.353432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056528observed fc6c3bca72dc3cebe22076548c0d1448...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:49:51.335047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056528/manifest.jsonobserved a0e14e470bf1b9af757e52c4d7006a7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:51.319085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056528/publication.mdobserved 9e30c87b113706789f848c83cefb5926...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:51.301452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056528/publication.txtobserved 6ca9313442351a1ae3e5717254fe688b...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. |
|---|