OT-2026-000004606
Publication integrity record
Bellows cup vacuum gripper, per zone isolation, three outlet manifold, pump fed, pressure verified
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-2026-000004606) never changes.
Identity and time
| Publication number | OT-2026-000004606 · never reused |
|---|---|
| Internal UUID | 01a0a91d-82f0-7eda-98b6-713cc71011d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:58.707104Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004606 |
| Status | PUBLIC |
Content hashes
| Canonical text | c62bf582e5d8a4c6d97156e7e68bc7a3dd882562dc72086a4d14775cea3e54b1 |
|---|---|
| Markdown | 556cca1286e49bfa5316556bf40297979d348161a61975b7319d84e23edb0242 |
| Publication page | 63f1760b83b31d5af652ab0da4d67d2790cf1a9c09233412500d792e3f027c7f |
| Manifest | 0389e7a61e9436801388d51441496b67ea4fa6c64bf7d051d74622be31cc63a8 |
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 | LSmL6RSDO5ZdTivQ2UZ5Lq6Stn27wwK7F9rXpmmeHvpZd6KXSbxnokhwwt631Ds1HehOvEWJs+XyttIfQcaWAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:09.900937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004606observed 63f1760b83b31d5af652ab0da4d67d27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:09.888173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004606/manifest.jsonobserved 0389e7a61e9436801388d51441496b67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:09.872678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004606/publication.mdobserved 556cca1286e49bfa5316556bf4029797...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:09.737389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004606/publication.txtobserved c62bf582e5d8a4c6d97156e7e68bc7a3...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. |
|---|