OT-2026-000020870
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000020870) never changes.
Identity and time
| Publication number | OT-2026-000020870 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7a8e-b951-b284e1a3f528 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020870 |
| Status | PUBLIC |
Content hashes
| Canonical text | 419b0c71d9ac2e8ebd942b82833e90c2ceb7beea19a8f4a377660da666e905e5 |
|---|---|
| Markdown | 45593d399b9156a627025780516b92533710e01727e608791539186225548478 |
| Publication page | 947f2c1c433b66a7c558bbe8cd34002a469eb2e81de02310b56fa48086b586a3 |
| Manifest | a76403abe1ec0ad8bc74e2828ac0b9b55140feae8569f46a135129b6e1411053 |
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 | ibfHJYEW+TNOSiIxvYPcujgcLa/0Yjpe6wCuCRzhFFB7oBT/wbA2FsF6t/AemRdNAeDsgfiJsm/3ZZkrTL+tAg== |
| 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
| 2026-09-17T11:55:58.473696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020870observed 947f2c1c433b66a7c558bbe8cd34002a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:58.455553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020870/manifest.jsonobserved a76403abe1ec0ad8bc74e2828ac0b9b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:58.436151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020870/publication.mdobserved 45593d399b9156a627025780516b9253...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:58.418812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020870/publication.txtobserved 419b0c71d9ac2e8ebd942b82833e90c2...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. |
|---|