OT-2026-000028653
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000028653) never changes.
Identity and time
| Publication number | OT-2026-000028653 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7641-9cdd-5b338a2ac25b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028653 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28715bd42ac852637bd87096dc5843f833b1562c4917e8ff334a10d921628db6 |
|---|---|
| Markdown | 9f2578c4d85874a9ad49d64cfd858a8b5518db7758f5ebfd954589525575c16d |
| Publication page | 0abf3b4d2c0347b677c16e5a277dd8fc9fe3d871f904c5fcefc3931d32a032b4 |
| Manifest | 61f36c641162da996b0ec97aff3a6bcef96452221e422ee33b38e3b043f731e1 |
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 | NQ+2hNVEauOBLUb0NgBUeu+wnBPbQQWBTY3z5OmQvs9xEs6br7ghLMuOySAfDlwzeBLpksNUGV/QVoknPtIZDg== |
| 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
| 2026-09-17T11:41:31.887329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028653observed 0abf3b4d2c0347b677c16e5a277dd8fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:31.867543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028653/manifest.jsonobserved 61f36c641162da996b0ec97aff3a6bce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:31.847912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028653/publication.mdobserved 9f2578c4d85874a9ad49d64cfd858a8b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:31.825375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028653/publication.txtobserved 28715bd42ac852637bd87096dc5843f8...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. |
|---|