OT-2026-000043221
Publication integrity record
Four cup vacuum gripper, four outlet manifold, 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-2026-000043221) never changes.
Identity and time
| Publication number | OT-2026-000043221 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327c-7899-957f-c390118e723e · 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-2026-000043221 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad053bc1b05e3088b2dc7b1cb15f148448bb8380436d67c4980c08005a79b04e |
|---|---|
| Markdown | 767ce81a5c314960dc6887e91c73a16b2f56904c7737edfa8ef4fc0f3937d0df |
| Publication page | a843839c2ef7a5f2a2c92b56d6ff99133126620557cf2c881327b38785660599 |
| Manifest | c0bbe47ffe311950570ca2951b0be7f5831924154a765c299af1b6e65bdd3b12 |
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 | shv/HS4WANB0y9HiSc4qfUESnwIb70Ev9kdr/ecWXl9lnNtfC/zVq0nhyJp8TMKtYhGLETUWkTPcETZehMrWCg== |
| 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
| 2026-10-11T04:23:07.829997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043221observed a843839c2ef7a5f2a2c92b56d6ff9913...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T04:23:07.814426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043221/manifest.jsonobserved c0bbe47ffe311950570ca2951b0be7f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:07.787012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043221/publication.mdobserved 767ce81a5c314960dc6887e91c73a16b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:07.765815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043221/publication.txtobserved ad053bc1b05e3088b2dc7b1cb15f1484...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:09.439627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043221observed a843839c2ef7a5f2a2c92b56d6ff9913...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:09.362277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043221/manifest.jsonobserved c0bbe47ffe311950570ca2951b0be7f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:09.268865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043221/publication.mdobserved 767ce81a5c314960dc6887e91c73a16b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:09.143215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043221/publication.txtobserved ad053bc1b05e3088b2dc7b1cb15f1484...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 |
|---|