OT-2026-000088021
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000088021) never changes.
Identity and time
| Publication number | OT-2026-000088021 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa6-7121-b7a6-66cff5d2d128 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000088021 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1ec12ee88a5ddbbd849eb33415db65b04cd55aed492580926f44ee3e4601a5f |
|---|---|
| Markdown | eec695f2fcc7d725f581d247a585b2561e5ca6f97d67c75e0faa47005d1d211c |
| Publication page | 92a1083a5eebe95e7943c5aec6cffd87d3987b4f08cbbf5d8b80cad0b54b7521 |
| Manifest | 49be7a22f2a61a79f9170a6a7f5cb328ab7f6f74368817b6d8a1de1ce057bf83 |
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 | D9N2V3GGR9PBZjylU4ZWt5lGIumyOEWuLLjdcQt83czrXdHVa3gHPTY/r1/0JZtTKcWMkgakfN+BwhUqG52kCQ== |
| 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
| 2026-09-17T09:49:24.363299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088021observed 92a1083a5eebe95e7943c5aec6cffd87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:24.347027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088021/manifest.jsonobserved 49be7a22f2a61a79f9170a6a7f5cb328...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:24.328694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088021/publication.mdobserved eec695f2fcc7d725f581d247a585b256...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:24.308898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088021/publication.txtobserved a1ec12ee88a5ddbbd849eb33415db65b...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. |
|---|