OT-2026-000004215
Publication integrity record
Vacuum cup gripper, three zone face, two outlet manifold, three stage ejector, pressure verified
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-2026-000004215) never changes.
Identity and time
| Publication number | OT-2026-000004215 · never reused |
|---|---|
| Internal UUID | 01a0a911-8a6a-71f6-b8f4-400e55758b97 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:54.192268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004215 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b9ac805b50fa9418a400013e68b0151e008c25c95af238cc9bd3981d030346f |
|---|---|
| Markdown | e4c9516ffabaf4c2e89e938bfe95e6e840733414a94fd0b2e41a23376ac638cc |
| Publication page | 65a63a08148b6acdd84f80184be8e34820e23f2e80de70b053a67b5edb666a66 |
| Manifest | d9502d88a58298d4488bbab7143736405cdb1382a69fd77de1853836ea252aa2 |
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 | nmRhlkxHVDaaaa/maW4HBcbayenTssSELmMX8sol3exM++/u4OOOgWJX/2y8ggLH7E6EegOGs5yVvd28TGUYAA== |
| 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
| 2026-09-16T07:20:23.149932Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004215observed 65a63a08148b6acdd84f80184be8e348...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:23.135474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004215/manifest.jsonobserved d9502d88a58298d4488bbab714373640...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:23.121362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004215/publication.mdobserved e4c9516ffabaf4c2e89e938bfe95e6e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.980090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004215/publication.txtobserved 1b9ac805b50fa9418a400013e68b0151...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. |
|---|