OT-2026-000028931
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down, on a tool changer
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-2026-000028931) never changes.
Identity and time
| Publication number | OT-2026-000028931 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-704c-88c2-e8e030f06471 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028931 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81118813bfae5c3cdf7deb44950b7c903c74a9e789f16e1e3daeea2c75c14c8a |
|---|---|
| Markdown | 800403e3ba444b1db785165c6012abf554712f47c42c566c953d5b6ff6f956c1 |
| Publication page | db236fed02b8e6dbe6bcc92a4d5a6203bb88eb0fdda030c684d33c77144994cf |
| Manifest | c93c26e6c2f900a91b16804be4e4edc4b3c90f370fbccdb2b169cae1d2294291 |
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 | JGEhyHCWwTrmNc6pv8dJ8nw2TwaThX6Y5169hkYaoIQhuSSkhtQgVjmAQdh8RJXlfEOqtzTdG8CPo2eUEDkmDw== |
| 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
| 2026-09-17T08:20:22.494891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028931observed db236fed02b8e6dbe6bcc92a4d5a6203...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:22.477134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028931/manifest.jsonobserved c93c26e6c2f900a91b16804be4e4edc4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:22.460113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028931/publication.mdobserved 800403e3ba444b1db785165c6012abf5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:22.441405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028931/publication.txtobserved 81118813bfae5c3cdf7deb44950b7c90...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. |
|---|