OT-2026-000020015
Publication integrity record
Four bellows cup vacuum gripper, four zone face, 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-2026-000020015) never changes.
Identity and time
| Publication number | OT-2026-000020015 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7120-8926-8c4cde84b524 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020015 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81b95e5e11b3608395b15dba5ea44824414be115923660a496aeabbc0539df7f |
|---|---|
| Markdown | ee8a3989676f30769e57f912169ced2e73acacb8b2f4535f781a84e516fa30e1 |
| Publication page | 44be90fcbf120d10423f52606652824645983956f59d79dda214243c3cdf2629 |
| Manifest | 1d5a930cc908a7b45e54a457d984941fe97baa5e1d992bbff3e17969608e86d1 |
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 | owgpdvwpOalpTk5NLz47DP6PJDEAkC/1OpPDv7nVokgZrTem5VUF5qLwJVI++WlSMfWLUIuRaeP0QQym5GMUBw== |
| 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
| 2026-09-17T11:58:15.990175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020015observed 44be90fcbf120d10423f526066528246...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:15.973458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020015/manifest.jsonobserved 1d5a930cc908a7b45e54a457d984941f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:15.956522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020015/publication.mdobserved ee8a3989676f30769e57f912169ced2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:15.938882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020015/publication.txtobserved 81b95e5e11b3608395b15dba5ea44824...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. |
|---|