OT-2026-000052409
Publication integrity record
Single cup vacuum gripper, common isolation valve, 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-2026-000052409) never changes.
Identity and time
| Publication number | OT-2026-000052409 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-7297-ba8d-5ac5950a6011 · 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-2026-000052409 |
| Status | PUBLIC |
Content hashes
| Canonical text | da4dce87e2d869cabe5d2bf925aa53637189e2526435036a12889f92d2ad17f5 |
|---|---|
| Markdown | b842a3fb8f2a2ac55c6cc68d423098f5e1d6b2510caccc71ecf2325579342561 |
| Publication page | 170849d2d5fb1f3d7349c24e183b7974271eaf8f4854a18df2852951d9d91237 |
| Manifest | 70247b8b7cd2e43f1bcef9c68a08ee9aa204098c1273e427482b452c0dff8a40 |
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 | GqH4qi7KBomHjqYw65bAyJaO4AOIGMkUjSypysU61YpGCY/g6oL760D8RgqsOShPsZzHRPe5aCBQ0T7GKNwLAA== |
| 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
| 2026-09-17T10:58:07.146430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052409observed 170849d2d5fb1f3d7349c24e183b7974...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:07.129032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052409/manifest.jsonobserved 70247b8b7cd2e43f1bcef9c68a08ee9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:07.110494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052409/publication.mdobserved b842a3fb8f2a2ac55c6cc68d423098f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:07.092406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052409/publication.txtobserved da4dce87e2d869cabe5d2bf925aa5363...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. |
|---|