OT-2026-000021490
Publication integrity record
Foam pad vacuum gripper, pump fed, 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-2026-000021490) never changes.
Identity and time
| Publication number | OT-2026-000021490 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7dea-acaa-a89c6946517b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021490 |
| Status | PUBLIC |
Content hashes
| Canonical text | e6b4579d74302199e614212b31b2bac7c776190521f9ca3dcd1e1f10519c6c61 |
|---|---|
| Markdown | 5f49d2f2b0010a7d1da338261955d65755af7dc42199192dcc000affb88fcba6 |
| Publication page | 57fc9c25c236a3ef82d487584760abb601b595570dc9a30a5e7ca1979cadc9f6 |
| Manifest | df0232f6071bf5dbe24a35f95e9e8868d941b4bc84ae2b915dbd3bf353567a3f |
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 | KR4ldmq9sEADXyNnl6gBPizZW1US/YZDByZF/CeG5UbFMgH+k533Yjhbnqg/hwcAVTc+InEd1MPvUX3o0+hpCg== |
| 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
| 2026-09-17T11:54:48.693732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021490observed 57fc9c25c236a3ef82d487584760abb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:48.675888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021490/manifest.jsonobserved df0232f6071bf5dbe24a35f95e9e8868...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.657217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021490/publication.mdobserved 5f49d2f2b0010a7d1da338261955d657...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.640457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021490/publication.txtobserved e6b4579d74302199e614212b31b2bac7...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. |
|---|