OT-2026-000033001
Publication integrity record
Single cup vacuum gripper, two stage ejector, pulsed 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-2026-000033001) never changes.
Identity and time
| Publication number | OT-2026-000033001 · never reused |
|---|---|
| Internal UUID | 01a0ae75-4843-7339-bf00-230ea198e82f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:57.065765Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000033001 |
| Status | PUBLIC |
Content hashes
| Canonical text | dfd6e1deccb61c1a6095ae515c4b39439c8e19576ca89b785c4f470a6eedd47f |
|---|---|
| Markdown | 75a14a41c12efbb8f882b2770047f295f7d6cb272989b4c3302df1370804b8bf |
| Publication page | 3aac956b9f7c94698b699cb713d6f39edc411c958f93fb86720ff7033687e1b1 |
| Manifest | c08189d97238cb99e2adf58c5599fe87af5751eff6fd021d066e1aacf8b14a20 |
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 | oN4rQsjNyPUGFx4AQ+8ksMZk2BPuymonGfYmIs/HBuqgw+pEUU1D0+7eX223mvPvSavX62/RpBHXM0ASjo9hAg== |
| 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
| 2026-10-21T00:41:59.103810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033001observed 3aac956b9f7c94698b699cb713d6f39e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T00:41:59.021183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033001/manifest.jsonobserved c08189d97238cb99e2adf58c5599fe87...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:58.943459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033001/publication.mdobserved 75a14a41c12efbb8f882b2770047f295...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:58.838904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033001/publication.txtobserved dfd6e1deccb61c1a6095ae515c4b3943...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:56.310513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033001observed 3aac956b9f7c94698b699cb713d6f39e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:56.190228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033001/manifest.jsonobserved c08189d97238cb99e2adf58c5599fe87...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:56.127658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033001/publication.mdobserved 75a14a41c12efbb8f882b2770047f295...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:56.039032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033001/publication.txtobserved dfd6e1deccb61c1a6095ae515c4b3943...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 |
|---|