OT-2026-000057673
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000057673) never changes.
Identity and time
| Publication number | OT-2026-000057673 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2694-71c2-be67-58a6e3d1294b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057673 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c78c413d8b9a8f845f2d981e51b83741d1e23e0a4cc3cf8947223346bcf0621 |
|---|---|
| Markdown | fe771f191be419424f0f80aa56c2027390f73dd8fea6c1dd20da47ba78613144 |
| Publication page | 0068e2b942c35198b866dc775d0fc88b8010f36f878e42d51e57a120a0284cc8 |
| Manifest | c111c598f1bd3036d0523960936074b519c4fe20c6c6ca255d420ea2ba91b00e |
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 | cpkTbcCuLCj38NAGdUoWV7mCyeFazWTkKqE3gtX69bWmQyGA7mRGpj56kbtG04Vye5xRwbOY9y5dxkz5Cd1WDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:19.720369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057673observed 0068e2b942c35198b866dc775d0fc88b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:19.701494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057673/manifest.jsonobserved c111c598f1bd3036d0523960936074b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:19.681299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057673/publication.mdobserved fe771f191be419424f0f80aa56c20273...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:19.659074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057673/publication.txtobserved 8c78c413d8b9a8f845f2d981e51b8374...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. |
|---|