OT-2026-000050197
Publication integrity record
Single cup vacuum gripper, common isolation valve, 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-2026-000050197) never changes.
Identity and time
| Publication number | OT-2026-000050197 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c45-7ffa-8c5d-7329ebae3b34 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050197 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e1abac16864ae0dd9eacf59e0bc3b1cf0efa3903d88d2c478125ccb606cab3e |
|---|---|
| Markdown | 15d4fa2c0297ff7fdca71a2bdbfc0c553fc5a7b58c8fea14ba46a2d96d314368 |
| Publication page | d97f2dec2c2dc8dc50131b7e6c94e2516d0f7e1ffb49bc354bc0f4d3a6f2275f |
| Manifest | 5008d875feb669369a6e745ed00334871690f87edc51900771b6fe61afb7849d |
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 | cKhRbHTynz/lHGNiBC4Mt/mbBdHugTj74PBlD/LenW2CRULmeAvzsHHyp9mkNhY4uXIkdSso0gF956/JGyqTDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:01:11.046180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050197observed d97f2dec2c2dc8dc50131b7e6c94e251...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:11.027717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050197/manifest.jsonobserved 5008d875feb669369a6e745ed0033487...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:11.010448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050197/publication.mdobserved 15d4fa2c0297ff7fdca71a2bdbfc0c55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:10.992330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050197/publication.txtobserved 5e1abac16864ae0dd9eacf59e0bc3b1c...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. |
|---|