OT-2026-000003511
Publication integrity record
Porous face vacuum gripper with vent controlled release at the set-down position
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-2026-000003511) never changes.
Identity and time
| Publication number | OT-2026-000003511 · never reused |
|---|---|
| Internal UUID | 01a0a906-e304-73c1-a768-d8966aa04fa2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:15.975647Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003511 |
| Status | PUBLIC |
Content hashes
| Canonical text | 360f3abece75d66062df79db4a20dcd29e244b66e7fe15270a24d11e46ec1a85 |
|---|---|
| Markdown | 6bca2764a8f0ab4579fc11440005be396f5b62e5561b95f3f973bd4384c415b8 |
| Publication page | 1a9c5848c2d699c9af5d8da815f70fee883bba1812f1fc74feda0e67a1d45587 |
| Manifest | 87145ef69ab3bbebfe373789905bb79d81e5c7694b064690c0c4487cb0d0c1a9 |
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 | w7WEGBldV3xZsBT9dX4AHpviEnjlVfHNth3iDmYByevvzcq0U9OxskYhGArhm7d7tWd2sVL5hCNfOSM+s9AKCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:33.660538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003511observed 1a9c5848c2d699c9af5d8da815f70fee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:33.646226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003511/manifest.jsonobserved 87145ef69ab3bbebfe373789905bb79d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.631717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003511/publication.mdobserved 6bca2764a8f0ab4579fc11440005be39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.472664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003511/publication.txtobserved 360f3abece75d66062df79db4a20dcd2...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. |
|---|