OT-2026-000079176
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000079176) never changes.
Identity and time
| Publication number | OT-2026-000079176 · never reused |
|---|---|
| Internal UUID | 01a0ae96-0b8f-7395-b503-c816aa88e826 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:44.101434Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000079176 |
| Status | PUBLIC |
Content hashes
| Canonical text | cbda67aed7c65192c3464c3406a30f36ebcc5ad2bbbe4df233f290b9496adbbd |
|---|---|
| Markdown | 954acf583ce95e455402589e71772736e51b9cb004833b10b8fd4542660160b3 |
| Publication page | 76ca121994f25726b5ddaa29dc069c56b866136f5673fdb8e867740909a19ae1 |
| Manifest | 1092ca1a5b7ad16836a9d46d28cc775b882c2ff01dbd7636866d6821d3e4721d |
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 | H4zng+HetMC8tHtUk3uN9RvVXjEZNe3OxVHfc3QHvKU3St8wnbyoYjmedl2vSX1hUjqWx+vDI8+rB23gLpBgBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-18T08:41:29.830438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079176observed 76ca121994f25726b5ddaa29dc069c56...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T08:41:29.777170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079176/manifest.jsonobserved 1092ca1a5b7ad16836a9d46d28cc775b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:29.728026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079176/publication.mdobserved 954acf583ce95e455402589e71772736...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:29.504896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079176/publication.txtobserved cbda67aed7c65192c3464c3406a30f36...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:13.449417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079176observed 76ca121994f25726b5ddaa29dc069c56...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:13.400261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079176/manifest.jsonobserved 1092ca1a5b7ad16836a9d46d28cc775b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:13.292654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079176/publication.mdobserved 954acf583ce95e455402589e71772736...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:13.147139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079176/publication.txtobserved cbda67aed7c65192c3464c3406a30f36...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 |
|---|