OT-2026-000052681
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000052681) never changes.
Identity and time
| Publication number | OT-2026-000052681 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573c-7f45-9e6c-c09b7e5118c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052681 |
| Status | PUBLIC |
Content hashes
| Canonical text | b63fc1ebf10e2253020e9ee538e61b57ada4d78d6b688118327de2c84e135059 |
|---|---|
| Markdown | bf3d7140aa454dceab648a2eff8eea01f90f36c6fdf6f53c4562dd409086323f |
| Publication page | 44671c983259b71b8a9e239cf258cfc21d847aa07e252e5b4875733e4664414f |
| Manifest | fbffa38fe5f8979144dbf2daca47f6090bb8d06421b33706478dc251a21a47ca |
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 | SMgTFuUqdx7/NDxAqmhzFiL61WfA7K6LwM9Tngewj2DxySkJg2R+nZI1xgrsL4/DHX9dh6e2l6NhuqCV0QUvAg== |
| 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
| 2026-09-17T10:57:22.680702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052681observed 44671c983259b71b8a9e239cf258cfc2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:22.662484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052681/manifest.jsonobserved fbffa38fe5f8979144dbf2daca47f609...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:22.643902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052681/publication.mdobserved bf3d7140aa454dceab648a2eff8eea01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:22.625480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052681/publication.txtobserved b63fc1ebf10e2253020e9ee538e61b57...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. |
|---|