OT-2026-000004024
Publication integrity record
Vacuum cup gripper, four outlet manifold, two stage ejector, pressure verified at each zone
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-2026-000004024) never changes.
Identity and time
| Publication number | OT-2026-000004024 · never reused |
|---|---|
| Internal UUID | 01a0a90c-e3da-78f0-af26-ee7cc48d4fe3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:49.405282Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004024 |
| Status | PUBLIC |
Content hashes
| Canonical text | 78618a4fbb62e37f794cf83ad883ce2b78c7ccaa4abcc93880a88bedba935646 |
|---|---|
| Markdown | c17be913d621745254914db882a067abd552309e3b509fd1c2e9f05abfeee7d7 |
| Publication page | 3255ba59a1eb47d29a25655c9168a327eef4b0facca14c02cfa46bd1d2c3f597 |
| Manifest | abbd7c101c5ddf693a5f73817fba65e14aa3d4dba1266cc5bc39fd0c09b12d63 |
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 | fUTDgmILKQlT3vvSb4IwkMRdBbbWXFMfnOpaVZXbtn2O+CL9R5E5A4Dq6DFYsIweVgz1H5huKt2+4aXl/+dbCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T12:42:27.715866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004024observed 3255ba59a1eb47d29a25655c9168a327...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T12:42:27.557424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004024/manifest.jsonobserved abbd7c101c5ddf693a5f73817fba65e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:27.335947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004024/publication.mdobserved c17be913d621745254914db882a067ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:27.200993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004024/publication.txtobserved 78618a4fbb62e37f794cf83ad883ce2b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.570831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004024observed 3255ba59a1eb47d29a25655c9168a327...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.557833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004024/manifest.jsonobserved abbd7c101c5ddf693a5f73817fba65e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.545008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004024/publication.mdobserved c17be913d621745254914db882a067ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.530826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004024/publication.txtobserved 78618a4fbb62e37f794cf83ad883ce2b...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 |
|---|