OT-2026-000003173
Publication integrity record
Device for gripping and handling pieces of sheet material and manipulator of pieces of sheet material comprising this device
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-2026-000003173) never changes.
Identity and time
| Publication number | OT-2026-000003173 · never reused |
|---|---|
| Internal UUID | 01a0a698-89fd-78d2-b588-c7fc26662cab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:43:29.789394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003173 |
| Status | PUBLIC |
Content hashes
| Canonical text | 42a80d7c725201ef8ac3ae1ec62df552587c477ac4e07b97cb8469b9fe609e0e |
|---|---|
| Markdown | ae1ff97cce44b7c14260226d3481f4825d0a18480376adc4e4395673a47843ac |
| Publication page | 523ae56741d786fa28ea7688c21888bbe2e6e676c5a576fd14e8bb3dbd3ef25f |
| Manifest | daf48190afa3f15f39b4ec8964d63b32db9401110c82b787a5adbd451a7f3332 |
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 | t9srpXFG6MIPlbFZY2zrckO1SObJShmcBC6ObySyv/lPTfcjlGpThr0l4etDtye1lGogWoEycJc4LrcQXXDYBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-17T00:41:08.854584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003173observed 523ae56741d786fa28ea7688c21888bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T00:41:08.640733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003173/manifest.jsonobserved daf48190afa3f15f39b4ec8964d63b32...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:08.429610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003173/publication.mdobserved ae1ff97cce44b7c14260226d3481f482...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:08.095069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003173/publication.txtobserved 42a80d7c725201ef8ac3ae1ec62df552...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:06.163569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003173observed 523ae56741d786fa28ea7688c21888bb...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:06.134154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003173/manifest.jsonobserved daf48190afa3f15f39b4ec8964d63b32...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:06.121698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003173/publication.txtobserved 42a80d7c725201ef8ac3ae1ec62df552...fetched by instance-3.rotem.ai from 127.0.0.1, 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 |
|---|