OT-2026-000028829
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028829) never changes.
Identity and time
| Publication number | OT-2026-000028829 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7096-8f98-ff0329bae51c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028829 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee757e29f7b635f4ef2820fd33d18cdbab3ef20d7677d18f732e2d3139b8ae10 |
|---|---|
| Markdown | 9930e11e1954b71930a2e099c8567b985087de2f5a4842c953a6550014078d14 |
| Publication page | 82188ec35a8cffe1ff61a2a4640e5b4b9cbad43532574d303d8e4a8572b7f5ec |
| Manifest | 5ed1fca0b9fc0e952855f5fe48ab2036a8c48d0984ae717adcbc3740cff83cf0 |
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 | b5ysKaNHjduRw9S+y9fEFmEab2IJXlfjo/dKybucg0cSFNAsR2XYB3Oc/uHL7mrRYtlPOVvCTuSA06bHfASmCQ== |
| 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
| 2026-09-17T08:20:05.295723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028829observed 82188ec35a8cffe1ff61a2a4640e5b4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:05.271226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028829/manifest.jsonobserved 5ed1fca0b9fc0e952855f5fe48ab2036...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:05.250903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028829/publication.mdobserved 9930e11e1954b71930a2e099c8567b98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:05.233562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028829/publication.txtobserved ee757e29f7b635f4ef2820fd33d18cdb...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. |
|---|