OT-2026-000020813
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000020813) never changes.
Identity and time
| Publication number | OT-2026-000020813 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7024-99f1-f38ebb8d0701 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020813 |
| Status | PUBLIC |
Content hashes
| Canonical text | 990760c6e807413728a6724dfe25f745ddd5a22b2b455b973dd013e937f6d8f2 |
|---|---|
| Markdown | 193cfa6b106e43d491d9d051ffe4b5c27a64954ddb3b1423305978ac6cbb13d8 |
| Publication page | 44476aa221f87330655d7fbcde437006d3a8a081bdb7969d14d456e8b0df8955 |
| Manifest | 421ff97deb2939252047b0d0f90ca7d43605901fdce75f3e3c711185a8cdd0dc |
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 | 8dzhgZwZ6u07fwdW3iL6KtNtLCdGr9S2kWwdFdHp56k8D4uGZnpKq/8V1qaB+CUbneLhot2efBThWzeaIAMKBg== |
| 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
| 2026-09-17T11:55:54.089912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020813observed 44476aa221f87330655d7fbcde437006...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:54.073239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020813/manifest.jsonobserved 421ff97deb2939252047b0d0f90ca7d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.056011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020813/publication.mdobserved 193cfa6b106e43d491d9d051ffe4b5c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.037159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020813/publication.txtobserved 990760c6e807413728a6724dfe25f745...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. |
|---|