OT-2026-000021998
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off before 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-2026-000021998) never changes.
Identity and time
| Publication number | OT-2026-000021998 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7e26-8f97-4808b93a5257 · 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-2026-000021998 |
| Status | PUBLIC |
Content hashes
| Canonical text | dfb9a165e1d21f7e23840f0e9760017d50a71bded46e3453cd7949b486353d75 |
|---|---|
| Markdown | 4222cac17dd89a3c3738ddb114d597360e21b22c58baff153c2ed7c33b36435f |
| Publication page | 402a95b52d5e31e549c73bda41fc9a20f1b35a1263ee05efd263886ef357681f |
| Manifest | fea4a44de832861e463b400b9a5f9019e4e26fc90429c4c0b174a34ca40f60cc |
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 | F6dftjgZ+DCrq5uTBU25rQQ1lnKtkbt49IQrOVzwHIR+FA8oMvTsN1MJS12yIOBJnRhYUwVGTmT7ZwdQ9C7RAw== |
| 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
| 2026-09-17T11:54:40.595493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021998observed 402a95b52d5e31e549c73bda41fc9a20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:40.572849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021998/manifest.jsonobserved fea4a44de832861e463b400b9a5f9019...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:40.553764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021998/publication.mdobserved 4222cac17dd89a3c3738ddb114d59736...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:40.534450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021998/publication.txtobserved dfb9a165e1d21f7e23840f0e9760017d...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. |
|---|