OT-2026-000042813
Publication integrity record
Single cup vacuum gripper, pump fed, sustained blow-off after 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-2026-000042813) never changes.
Identity and time
| Publication number | OT-2026-000042813 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-7dec-afad-94d90210ecf8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042813 |
| Status | PUBLIC |
Content hashes
| Canonical text | 830661b64192c4992d3842ba05e1b4e5367edf8f744057439e4ab86a8a000784 |
|---|---|
| Markdown | 5341ba5a778d814ca2781586f7515a655f6a1d54963750de815600bcca41c762 |
| Publication page | 1dc6551d782798bedc7585284f0e92eea40aab41dde28e633851e6a91ac758ac |
| Manifest | 04aa477c955fa67754de283cfbc0690af65dfadcd26a5983d23dec0f39a6542e |
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 | OFx1CWT+QJAG2GfzlELKNVs0vBXOiNt8Q9s1ckj7VYoGbzEN5BBnUqQdbVXS/Fm96siq3e1f60+yhc3cvr5ZDQ== |
| 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
| 2026-09-17T11:15:17.382981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042813observed 1dc6551d782798bedc7585284f0e92ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:17.364065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042813/manifest.jsonobserved 04aa477c955fa67754de283cfbc0690a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:17.347766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042813/publication.mdobserved 5341ba5a778d814ca2781586f7515a65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:17.328667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042813/publication.txtobserved 830661b64192c4992d3842ba05e1b4e5...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. |
|---|