OT-2026-000056768
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off after set-down
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-2026-000056768) never changes.
Identity and time
| Publication number | OT-2026-000056768 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af7-726d-a8b9-c096289c585b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056768 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fb99eef6a31d60e26d1d59be38bb45086ff593440ff6bbb39005f64e95d090d |
|---|---|
| Markdown | fb84756bda53ad4b4629057ed959ca97cca3bf7449244b217c3070e050a30348 |
| Publication page | d5b47fa8fc6848614fced4ca03bfed07dc2e09689ea5bd73f4e87197a56d09dc |
| Manifest | 7321e893ca559daa3ec72e3271ecc32d067bc407f86f9525cde117fb04af1bd3 |
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 | kw19eBd9oQp0BzgoMEoYbV8RV5fL3xtgFTfJHnVYw6rDVrqSsHPseblkrnS29pBZI+7ofr7yO1/qNyfP5WvBAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:14.354189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056768observed d5b47fa8fc6848614fced4ca03bfed07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:14.337515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056768/manifest.jsonobserved 7321e893ca559daa3ec72e3271ecc32d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:14.311844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056768/publication.mdobserved fb84756bda53ad4b4629057ed959ca97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:14.292131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056768/publication.txtobserved 8fb99eef6a31d60e26d1d59be38bb450...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. |
|---|