OT-2026-000006291
Publication integrity record
Porous face vacuum gripper, two zone face, pump fed, contact triggered, vented after 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-2026-000006291) never changes.
Identity and time
| Publication number | OT-2026-000006291 · never reused |
|---|---|
| Internal UUID | 01a0a955-c317-7992-a743-2e9b96032314 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:29:25.147095Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006291 |
| Status | PUBLIC |
Content hashes
| Canonical text | c66ba3e984807926d09886b62c7fee94a88e4b883559071550723be5388280b9 |
|---|---|
| Markdown | 9d7129e772dd8fb5578d2919e5e0ca00cec34e6d7860496e13d6c6f0d8ac6317 |
| Publication page | 5e7a885f705c61923eb3aad2c9fcf181a334ae4768ce5f02ff43c108aee2f8ef |
| Manifest | 0f08f7c5970d0c93ba71f0de6d93cee1e3a872f03328d4a5cd53cddeace20229 |
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 | njVYhaZ6HqONwRNkmRldZ5RG8FmFns8NBXGuNxF1rfwWujHPeVu1LfJrFolty9HX5vVzM98zchfyMW2+AIpoAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:30:04.965749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006291observed 5e7a885f705c61923eb3aad2c9fcf181...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:30:04.948692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006291/manifest.jsonobserved 0f08f7c5970d0c93ba71f0de6d93cee1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:04.934467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006291/publication.mdobserved 9d7129e772dd8fb5578d2919e5e0ca00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:04.917660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006291/publication.txtobserved c66ba3e984807926d09886b62c7fee94...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. |
|---|