OT-2026-000003500
Publication integrity record
Porous face vacuum gripper with contact triggered evacuation of the gripping face
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-2026-000003500) never changes.
Identity and time
| Publication number | OT-2026-000003500 · never reused |
|---|---|
| Internal UUID | 01a0a906-d929-7033-8225-6f955c6059c9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:13.451622Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003500 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8890660c5ef009b79a17d3a2d46584c400d6260f7d9502ac7355bcf03f89c26d |
|---|---|
| Markdown | 3d62e8d59076051b9452dee8d2e444738d03df68c5cfb6541ee57ad9de095d34 |
| Publication page | 56b547977ec9137ae1e83261f3550e6e995c2f9ec6d369526f1af8d192cdd56f |
| Manifest | 4ac36e170082c596eeb82bcafce4f53ca87c0778a155137fc0ebdab8f87a3e26 |
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 | oOJcy/dIWsFgBo8Nyz9zf40lgsDGyyQxvX5XwIVlRus49dVPGiMv0mACZEzwNZpSZZkvvEx5pxX5jc3lvrc7CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:34.978282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003500observed 56b547977ec9137ae1e83261f3550e6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:34.964536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003500/manifest.jsonobserved 4ac36e170082c596eeb82bcafce4f53c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.948982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003500/publication.mdobserved 3d62e8d59076051b9452dee8d2e44473...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.932917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003500/publication.txtobserved 8890660c5ef009b79a17d3a2d46584c4...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. |
|---|