OT-2026-000004875
Publication integrity record
Porous face vacuum gripper, two zone face, three stage ejector, pressure verified, open cell
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-2026-000004875) never changes.
Identity and time
| Publication number | OT-2026-000004875 · never reused |
|---|---|
| Internal UUID | 01a0a926-2f58-7cfa-a331-16cf1710f13c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:27.133565Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004875 |
| Status | PUBLIC |
Content hashes
| Canonical text | 605d170858d501caff6c6b306d1e900a15294e928ad9f8fdfec88c3d904e1169 |
|---|---|
| Markdown | d9b94f855c7312504bd630dbba7efba4dc9bea624626ae775fd6cbdfa8ca97c4 |
| Publication page | f89d4352d3d2a2bf38eeafff57c65d2cad98e6a85f2e27fd769d408fe47ec11a |
| Manifest | 1a6cbed12930e464026c99478407063aad319bfff98776f4397c31539f684d59 |
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 | J/YSNUJRBKsN66GeKT63pjD0DPtUfln77yiQ8M07GZ6ufpYlmOSo1CUlv2+eCuYiZCCHHoxWPAx+h+9sM3IYDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T08:44:00.249566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004875observed f89d4352d3d2a2bf38eeafff57c65d2c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:43:59.956118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004875/manifest.jsonobserved 1a6cbed12930e464026c99478407063a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:59.647578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004875/publication.mdobserved d9b94f855c7312504bd630dbba7efba4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:59.407627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004875/publication.txtobserved 605d170858d501caff6c6b306d1e900a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.648480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004875observed f89d4352d3d2a2bf38eeafff57c65d2c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.635604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004875/manifest.jsonobserved 1a6cbed12930e464026c99478407063a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.620836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004875/publication.mdobserved d9b94f855c7312504bd630dbba7efba4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.482444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004875/publication.txtobserved 605d170858d501caff6c6b306d1e900a...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. |
|---|