OT-2026-000052725
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000052725) never changes.
Identity and time
| Publication number | OT-2026-000052725 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42d-7df1-89c6-27c55ebdbf97 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052725 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb0faca8a62bfe3ae771b7246a68acb072bcad49f9d3ebf9baf9b4e9fdb5134e |
|---|---|
| Markdown | 2366aa9c8de903e953cfbddbe3eb94278d77649b1af73fda054aa48b73c88ef8 |
| Publication page | a2c70dd711bfaa4e37b850c36392f695c1f05b705e78d9df14989eb29d17a20d |
| Manifest | 070931c92079df76f105be7df1ad97395dfb7573f24aae79820ef814f5531467 |
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 | tUXhZ6cBd5lRQrBTCThoI2+teec8bkPjCXyMSg9trIhmuDYfV5V1zOZILcuU4vOjYNTBkv/IaZETWcflkPLLDQ== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:43.099129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052725observed a2c70dd711bfaa4e37b850c36392f695...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:43.080714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052725/manifest.jsonobserved 070931c92079df76f105be7df1ad9739...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:43.062805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052725/publication.mdobserved 2366aa9c8de903e953cfbddbe3eb9427...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:43.042010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052725/publication.txtobserved bb0faca8a62bfe3ae771b7246a68acb0...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. |
|---|