OT-2026-000028871
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed 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-2026-000028871) never changes.
Identity and time
| Publication number | OT-2026-000028871 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-724b-b4be-fe9458e178a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028871 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e7b5307c94813f82ef3b3bc9b51ca1792ac53f28f06b0581eaee85c12e05c79 |
|---|---|
| Markdown | 96a319ecb14ac484af87171a3167d093e99196fee3dbf39ab281caee4899b075 |
| Publication page | 1222274900aa2e8008399da423d8c2673d2d0821ac012e97fd1f17aa7b34f30f |
| Manifest | f2c038aca476aeb0e875939b7b11f92994ad8af25d66fb86e07c0ad83ae06c12 |
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 | OKaBz/oEfBE/znZsYrXLmAdszTQF10EN/wkJ5KpvqbO9VQxKN9J0ivwdIaXpkIw+IIOUTbQCCIpESMxjaG+XBw== |
| 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
| 2026-09-17T08:20:12.721332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028871observed 1222274900aa2e8008399da423d8c267...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:12.703124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028871/manifest.jsonobserved f2c038aca476aeb0e875939b7b11f929...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:12.685752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028871/publication.mdobserved 96a319ecb14ac484af87171a3167d093...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:12.542657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028871/publication.txtobserved 8e7b5307c94813f82ef3b3bc9b51ca17...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. |
|---|