OT-2026-000052397
Publication integrity record
Single cup vacuum gripper, common isolation valve, single 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-2026-000052397) never changes.
Identity and time
| Publication number | OT-2026-000052397 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-7bd6-94ad-ebdebe85e3b4 · 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-2026-000052397 |
| Status | PUBLIC |
Content hashes
| Canonical text | fcd8f77ecc841c99a3a17251fb4a2f830ed20d1e6749405de6c8f58bb8c89de4 |
|---|---|
| Markdown | 9895d798df39460aa567eeba389b16ffd86018e7e9ea4f36d7264e16e63a1f11 |
| Publication page | 0bdca653c54d9d12664af21c0ee158e449ab8f7eaa9664628ab917a5de6bc9d7 |
| Manifest | 352f2044b756fcef70ea77dd49a8e3545718b5b46e50f87289d7d2ccbc1a3318 |
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 | zA0nWlUbITUvlGT4PwxHlqrPr/pLBZwBtjnsn042dpHmHuNqFKjtE/qGOE2K1DETUDMqliN+JDeoqw+CoHWaDQ== |
| 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
| 2026-09-17T10:58:06.287203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052397observed 0bdca653c54d9d12664af21c0ee158e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:06.269856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052397/manifest.jsonobserved 352f2044b756fcef70ea77dd49a8e354...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:06.253585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052397/publication.mdobserved 9895d798df39460aa567eeba389b16ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:06.236826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052397/publication.txtobserved fcd8f77ecc841c99a3a17251fb4a2f83...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. |
|---|