OT-2026-000018215
Publication integrity record
Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off before set-down
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-2026-000018215) never changes.
Identity and time
| Publication number | OT-2026-000018215 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b488-76d9-aa75-8db3974815be · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018215 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f7dc6f5ca220c1dcc381f9f68758a634515bc80a81f917bc5165b90aab5df4c |
|---|---|
| Markdown | ea3723cbf6863ea4b1fa4846a837e3a21ee85f9be127329eb145962b549b10d6 |
| Publication page | 98bac3ed346199ee810f5c068b33c03e2d2feba69d5ebeed06a17950db049cc3 |
| Manifest | 650fdd36fc047b82e6f6378288e324721498b9108fcc8dea2e6d41afec1be7ce |
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 | KX6k4cC8T527DYH/Y1eJd+mxILr3jCgOiEN8NNziR5gg5TwiFzxCMT0wxcYy1NeKbrLyqxRbsDWLAOb460lMAQ== |
| 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
| 2026-09-25T08:41:02.649752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018215observed 98bac3ed346199ee810f5c068b33c03e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T08:41:02.519785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018215/manifest.jsonobserved 650fdd36fc047b82e6f6378288e32472...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:02.413835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018215/publication.mdobserved ea3723cbf6863ea4b1fa4846a837e3a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:02.250284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018215/publication.txtobserved 6f7dc6f5ca220c1dcc381f9f68758a63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:56.729677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018215observed 98bac3ed346199ee810f5c068b33c03e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:56.711207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018215/manifest.jsonobserved 650fdd36fc047b82e6f6378288e32472...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:56.691078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018215/publication.mdobserved ea3723cbf6863ea4b1fa4846a837e3a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:56.649549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018215/publication.txtobserved 6f7dc6f5ca220c1dcc381f9f68758a63...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|