OT-2026-000021657
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off 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-2026-000021657) never changes.
Identity and time
| Publication number | OT-2026-000021657 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7a14-a1af-5d8dc621885a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021657 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87de9012bb3974439d6951127ebdd090f4c95b81ef4f30e0366c96c54f6d1ade |
|---|---|
| Markdown | 849003dd6066356066e69869efe806c8c04ae03836cf4ffb0eb079e3370228db |
| Publication page | 41a22f8e80d72a41f2398e61f78d1925b4e51d5f273e9f426c1dcb7deedc461b |
| Manifest | a19bec33bca36b017695f3f9c1749d88fba279548697197cc77d6d967978f1ea |
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 | 7gYm3RlKUZ/ZmHLNcxz65sLhpQW9a2Fqs7pq59Eivk7NUBJI2DgdSvfj3T28FLpuH7Tydmbwt1knanqM8zbiAA== |
| 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
| 2026-09-17T11:54:05.559674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021657observed 41a22f8e80d72a41f2398e61f78d1925...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:05.543673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021657/manifest.jsonobserved a19bec33bca36b017695f3f9c1749d88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:05.525552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021657/publication.mdobserved 849003dd6066356066e69869efe806c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:05.506492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021657/publication.txtobserved 87de9012bb3974439d6951127ebdd090...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. |
|---|