OT-2026-000028355
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000028355) never changes.
Identity and time
| Publication number | OT-2026-000028355 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7b7c-be49-45f5bdde281a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028355 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c4e70878b1776214a36ee960da06848d34112f959e73372f2912f5782697624 |
|---|---|
| Markdown | 9750b59346892f448def9e8e400a0c3f8cd52cccc549e086137b0416cd990f0c |
| Publication page | 2f886eee7bc8f95e1dfc1d69a0908d6899618c558b07f8e91c6ae87b1e1822fa |
| Manifest | 0dd8f6eee5861817942c308627685de528f757ede9b7da43b589328ca2012c85 |
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 | FkmD7uFZL/zUmHGt6iPl2PD1B3LYlSixFh0QbxYPF9NLvzYEN7NJT6yQcdzixoVrkQeXI8T2dbSuu4pI9yLkBQ== |
| 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
| 2026-09-17T11:40:21.965839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028355observed 2f886eee7bc8f95e1dfc1d69a0908d68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:21.948522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028355/manifest.jsonobserved 0dd8f6eee5861817942c308627685de5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.929579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028355/publication.mdobserved 9750b59346892f448def9e8e400a0c3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.911500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028355/publication.txtobserved 4c4e70878b1776214a36ee960da06848...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. |
|---|