OT-2026-000005557
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, plant vacuum fed, open cell
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-2026-000005557) never changes.
Identity and time
| Publication number | OT-2026-000005557 · never reused |
|---|---|
| Internal UUID | 01a0a93d-1897-78fd-a9b8-c1c0f8cc8ea4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:02:28.635668Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005557 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c1dc3f1409de4ece48fb18dc97ce88a45b455b149b9462b61527388c17725c8 |
|---|---|
| Markdown | 105d46a878f1a457b73a721d8e7abf83126e01b0ccb7a62943f3c6efaea10ae9 |
| Publication page | 4ce8ad340b7a5bb9260cdd774601fa54b8a28cc74443c875415d2bf679065cc4 |
| Manifest | a3470352ce2465d415421cfa9a1cc66fa7b344600f2255df8c5e71ad19884140 |
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 | a0lZeyIrxHPBMuuA01cjLUU3Z37MAuXW1HqGju60qvayCj2WTSkVpdCGvHZZ0Ic2T6BK4xGxY3Nco2MLUWxNBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:26.970550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005557observed 4ce8ad340b7a5bb9260cdd774601fa54...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:26.957724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005557/manifest.jsonobserved a3470352ce2465d415421cfa9a1cc66f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:26.944441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005557/publication.mdobserved 105d46a878f1a457b73a721d8e7abf83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:26.929626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005557/publication.txtobserved 4c1dc3f1409de4ece48fb18dc97ce88a...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. |
|---|