OT-2026-000043302
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000043302) never changes.
Identity and time
| Publication number | OT-2026-000043302 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327d-768a-bb55-90d6804ff1b7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043302 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f9bd7503a179de9e6c58fa39e77f0f9e2f3cdf378938e536cba2253388931f7 |
|---|---|
| Markdown | e613b2f366f2ecb5e02b099b4579bcc80c06302c76e1cb1227bc3fa969bc20b7 |
| Publication page | 0b03d13a4baadb8f1ef68162839b3f7d83d65dff0300fce3dcbfa635e86b8d95 |
| Manifest | b66ba231089b189ed2843387da783b3cc762518e450d880fe32356a0d5602513 |
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 | GEXdqA5OvIjf5dIFG6i6v6WhHHiiQ4Ybr2Z3V4Mi05cyPRJtTP/B8NGP/m4/ho553r7wkEK5+IyZCDGP2FJ+Aw== |
| 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
| 2026-10-03T04:41:46.515116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043302observed 0b03d13a4baadb8f1ef68162839b3f7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T04:41:46.430861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043302/manifest.jsonobserved b66ba231089b189ed2843387da783b3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:41:46.335386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043302/publication.mdobserved e613b2f366f2ecb5e02b099b4579bcc8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:41:46.183129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043302/publication.txtobserved 6f9bd7503a179de9e6c58fa39e77f0f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:24.758093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043302observed 0b03d13a4baadb8f1ef68162839b3f7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:24.702607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043302/manifest.jsonobserved b66ba231089b189ed2843387da783b3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:24.652281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043302/publication.mdobserved e613b2f366f2ecb5e02b099b4579bcc8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:24.592408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043302/publication.txtobserved 6f9bd7503a179de9e6c58fa39e77f0f9...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|