OT-2026-000021594
Publication integrity record
Foam pad vacuum gripper, 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-2026-000021594) never changes.
Identity and time
| Publication number | OT-2026-000021594 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7d22-9ffd-bf08d2797029 · 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-2026-000021594 |
| Status | PUBLIC |
Content hashes
| Canonical text | d931694a933309c18cf3bf422ef44539ab345f301e5d9316dfc63d9aa428e6d0 |
|---|---|
| Markdown | 18d22472f0bcacb9f0d7958a881179faee44a8e908bc247c2a81a79ffb9f8c5b |
| Publication page | ee60b921042ae850db57fec756c25b4b4444733270d7439db6b2bd444cdd1b70 |
| Manifest | 85807cb516d4661b0dc7e035b0066cb50d5c057cf71ef1903788d8cfac1a65d4 |
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 | wFktGqMZARfN6/QD5V+aXbrl3XjZ7t1FJ71sZ2EZ2haBeTZJjSMU1U2hPyxRSqPeLNqwqrPXGpF1h60UsD1MBg== |
| 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
| 2026-09-17T11:55:31.034412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021594observed ee60b921042ae850db57fec756c25b4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:31.016331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021594/manifest.jsonobserved 85807cb516d4661b0dc7e035b0066cb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.997661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021594/publication.mdobserved 18d22472f0bcacb9f0d7958a881179fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.980424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021594/publication.txtobserved d931694a933309c18cf3bf422ef44539...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. |
|---|