OT-2026-000029820
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000029820) never changes.
Identity and time
| Publication number | OT-2026-000029820 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-7b3e-8dd8-e24075c261eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f6d9e3168eab6ac586e1aa80a49eb1f1526260317d4e9d8206708301bf167b9 |
|---|---|
| Markdown | 35a71024e85d0a6c57ce4b7f90a6d82b835a48ec126382db10f01312dad5876b |
| Publication page | 1174041703eea7ca9d59eb91d090beabe52fcf0cbfa9fd47120b4ea7767f636d |
| Manifest | a598b1626134dbe33fdfef50529aecbd3f49f31e3df6885203b3ef3e701c0fb6 |
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 | L9hf6mVGvEx9TMw6YJU1X/+iOhfMoHRLElax6WwlhUjYc4u04CYcxthzzt0i0SSvt/IsvtNn0GotN68e7BsCBA== |
| 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
| 2026-09-17T11:38:29.722531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029820observed 1174041703eea7ca9d59eb91d090beab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:29.704532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029820/manifest.jsonobserved a598b1626134dbe33fdfef50529aecbd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:29.684753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029820/publication.mdobserved 35a71024e85d0a6c57ce4b7f90a6d82b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:29.667972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029820/publication.txtobserved 2f6d9e3168eab6ac586e1aa80a49eb1f...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. |
|---|