OT-2026-000016505
Publication integrity record
Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000016505) never changes.
Identity and time
| Publication number | OT-2026-000016505 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-2d13-7049-b419-95f1d4f706d6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:11.237946Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000016505 |
| Status | PUBLIC |
Content hashes
| Canonical text | c3cf047083b90affe471203ab28af42daba7aa32f8a6051a31f7d8bb5b167b72 |
|---|---|
| Markdown | 993e963d1ef36aaa126d851e9e823de965aac24e95f8bf49426791311f55034c |
| Publication page | 6c4303ae4adc9eb730d54b64aa346064161df14e7299f4af6f5dcd4d8787ea47 |
| Manifest | 7bffc828e1a82b218aee06e59d41192028ad7bb54cdd5b2c5fc64683f7b96f48 |
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 | 9ja/IqgXtRu8NlxDvwgEmSo1o0tIazvVeaouAgRTcbra3UmPFmmqbEFUa13wfPOi1VPooEJGPQ07WYsQ9BhbDg== |
| 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
| 2026-10-28T00:41:13.792025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016505observed 6c4303ae4adc9eb730d54b64aa346064...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T00:41:13.723708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016505/manifest.jsonobserved 7bffc828e1a82b218aee06e59d411920...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:13.661275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016505/publication.mdobserved 993e963d1ef36aaa126d851e9e823de9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:13.579462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016505/publication.txtobserved c3cf047083b90affe471203ab28af42d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:24.463602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016505observed 6c4303ae4adc9eb730d54b64aa346064...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:24.411302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016505/manifest.jsonobserved 7bffc828e1a82b218aee06e59d411920...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:24.360371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016505/publication.mdobserved 993e963d1ef36aaa126d851e9e823de9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:24.307215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016505/publication.txtobserved c3cf047083b90affe471203ab28af42d...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 |
|---|