OT-2026-000052317
Publication integrity record
Single cup vacuum gripper, two stage ejector, 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-2026-000052317) never changes.
Identity and time
| Publication number | OT-2026-000052317 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e791-779d-80c8-b19c4c462288 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052317 |
| Status | PUBLIC |
Content hashes
| Canonical text | 737922b5a4014f8369684fa66b44529ca9ce907ff5aa4cfd1fadcdc295f64aa5 |
|---|---|
| Markdown | e9964383ca4e5fb996640aa80bcbf1e92958ad16cd25a578432296b72e8fd348 |
| Publication page | fd1fcfa6fc70bd4207f934aafb0d0ae2593de407dbe0cc163428b3e7256e0804 |
| Manifest | 0daa34d601e05f6c7f25c72a6aee08fb26b2b7aa49ea1d0efa7b0de8a766c0de |
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 | V0zRZ1FTxfsrT6LWO+nAHN5j5f34dV1PInw6dKKbBtUJVM+5ZtQnUuXQoBcIU6pb6UDTmd3NiqOaQF84zqzOBA== |
| 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
| 2026-09-17T10:58:00.203548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052317observed fd1fcfa6fc70bd4207f934aafb0d0ae2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:00.185225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052317/manifest.jsonobserved 0daa34d601e05f6c7f25c72a6aee08fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:00.167430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052317/publication.mdobserved e9964383ca4e5fb996640aa80bcbf1e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:00.149774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052317/publication.txtobserved 737922b5a4014f8369684fa66b44529c...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. |
|---|