OT-2026-000055972
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after set-down
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-2026-000055972) never changes.
Identity and time
| Publication number | OT-2026-000055972 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-7963-9b5e-675864d5db81 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91981ec98acc0a3f53d2fb3ed9b6b85d783a2bf7d274687dda2c3b052badf765 |
|---|---|
| Markdown | bc7dff45d83dbd23de4731988d85024f9d1395e540fe873b6429ef7d21a49f9c |
| Publication page | a942920f9d1fa4288a9495d5047107474435f5f8847ddc2a5a19915ec5a8ad41 |
| Manifest | 9a2be023350c548e3a5a8fe7668a56cb5a504e6428bbadd047aa355374177d10 |
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 | Qck6cssaNkA5JQzgM020CIIJWAjdNklfUWzwvJu2S5/6G6oMMt7tKhifR4zDIvTojpX8AJPVTFv6IbLb3fm7Ag== |
| 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
| 2026-09-17T10:51:29.598528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055972observed a942920f9d1fa4288a9495d504710747...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:29.579740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055972/manifest.jsonobserved 9a2be023350c548e3a5a8fe7668a56cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:29.563098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055972/publication.mdobserved bc7dff45d83dbd23de4731988d85024f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:29.544384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055972/publication.txtobserved 91981ec98acc0a3f53d2fb3ed9b6b85d...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. |
|---|