OT-2026-000020443
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off before 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-2026-000020443) never changes.
Identity and time
| Publication number | OT-2026-000020443 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7262-8eb0-4440c394e1ba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020443 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4fa5ea218c1b6fde39f69e3cf72c51bf49fdf55409163a7c5d21d7825510124 |
|---|---|
| Markdown | 2e5df33237ef2fe1e265f4242f9034223f1e628617b58ca1363e4ab27b7c7afa |
| Publication page | 6908c86f432d43e3b75c1483cf04aabe625b67eafe2386d088e5fdb3636cfb53 |
| Manifest | cce2adb76aa98082f91d9c9fb407f120c51d738be8a36d1476e788a6401a76fe |
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 | Yn8Xwwjr2aVkBOlcsk/hhvVctIwRaQakJzNkZXawxzJ2wEqX77XQi86Za0Dra9i0F762ZvnMKR3Ev1W9pB60Bw== |
| 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
| 2026-09-17T12:00:21.967129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020443observed 6908c86f432d43e3b75c1483cf04aabe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:21.949393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020443/manifest.jsonobserved cce2adb76aa98082f91d9c9fb407f120...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:21.930759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020443/publication.mdobserved 2e5df33237ef2fe1e265f4242f903422...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:21.914747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020443/publication.txtobserved c4fa5ea218c1b6fde39f69e3cf72c51b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.709862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020443observed 6908c86f432d43e3b75c1483cf04aabe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.691808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020443/manifest.jsonobserved cce2adb76aa98082f91d9c9fb407f120...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.672815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020443/publication.mdobserved 2e5df33237ef2fe1e265f4242f903422...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.654789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020443/publication.txtobserved c4fa5ea218c1b6fde39f69e3cf72c51b...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. |
|---|