OT-2026-000004247
Publication integrity record
Vacuum cup gripper, pump fed, pressure verified, contact triggered, rubber cups, oval form
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-2026-000004247) never changes.
Identity and time
| Publication number | OT-2026-000004247 · never reused |
|---|---|
| Internal UUID | 01a0a912-8c33-7ce4-a5e5-e9330d65ff59 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:00.182147Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004247 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4cb52ecaa87acaa178461644a8b0ef064722abe9ccda58ee43c26d46daa1f77 |
|---|---|
| Markdown | 917273c365ecf47f9b75f4b11355721bcd8d68ea67843c80767632f0f24c6e0d |
| Publication page | b0c5b2a059092e196a84c5cc70d172552cd9110f55e9fdadc8196eb268329684 |
| Manifest | e4d9bb92ad0c5c183eed743c61ce475f199682d7b25cacc9bc5abe14323b20d6 |
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 | RnI6+/OgBkCpEI3ZONnXGn4G2tl/7ahkLXdE+gh9176rLbEPBw2pZzAgN6ws1Ow0wBFHsEDtdCwclCs7iBYSDw== |
| 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
| 2026-09-16T07:20:19.494407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004247observed b0c5b2a059092e196a84c5cc70d17255...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:19.481726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004247/manifest.jsonobserved e4d9bb92ad0c5c183eed743c61ce475f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.467422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004247/publication.mdobserved 917273c365ecf47f9b75f4b11355721b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.453472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004247/publication.txtobserved d4cb52ecaa87acaa178461644a8b0ef0...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
| Custody package | Pending Custody packages are produced weekly. |
|---|