OT-2026-000015480
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000015480) never changes.
Identity and time
| Publication number | OT-2026-000015480 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-7484-9e02-05c1fad50bb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015480 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1d63b1cf62bcb5419fa6ebf1c5c69952f9677e55046a9a91edffeac231401fd |
|---|---|
| Markdown | 996794b37c51a11c798769956887729bd16dcadecb0ce8f87a852a3d4b9355de |
| Publication page | b40c91c68cffd692786dcde4fd312339f9f8ee00f121db6362d244092fff6b59 |
| Manifest | 9ee3a2d3019b79c9a731078ecf826a08a2a381c3d76eb1487c5bd2e0f69c689b |
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 | e5/L1mTAXtXjFPDhs8SxZSPFlOMKe2dhGH3GMJHPqDmkeGKaa95ChbWCxpi9ECfH8kV+uL3MG6tyaDxG4TC9Cg== |
| 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
| 2026-09-17T12:06:14.331582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015480observed b40c91c68cffd692786dcde4fd312339...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:14.312600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015480/manifest.jsonobserved 9ee3a2d3019b79c9a731078ecf826a08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:14.294794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015480/publication.mdobserved 996794b37c51a11c798769956887729b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:14.275668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015480/publication.txtobserved b1d63b1cf62bcb5419fa6ebf1c5c6995...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. |
|---|