OT-2026-000004623
Publication integrity record
Vacuum cup gripper, three stage ejector, contact triggered on the face, vented after set down
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-2026-000004623) never changes.
Identity and time
| Publication number | OT-2026-000004623 · never reused |
|---|---|
| Internal UUID | 01a0a91e-0899-700b-be86-4f6bcef3c636 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:32.924244Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004623 |
| Status | PUBLIC |
Content hashes
| Canonical text | 422834477d9e94dd124c2b93febea3cd43576fb9efab99085572edff820af296 |
|---|---|
| Markdown | 7c614bf89ac8621ed0840ed69160f58d9234c59d87a50609e08dea7367e54637 |
| Publication page | a965b4b5d3103169dbea41c49306cb782c51eac968f5341adaacc7e4cbdc43f3 |
| Manifest | 0c3e9565ec3ad8d439ab480038c1e5674e8ff3f94c678fa226df51b193d22c77 |
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 | Xi+RChXuQEj8YIU9ThL8ayCFT94+9Wcb/VNLPl6mQM+xvXwxvdJP1fU7mijca+4k4VmyWkgwcxBMHyVY6G2vAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:07.967923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004623observed a965b4b5d3103169dbea41c49306cb78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:07.954812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004623/manifest.jsonobserved 0c3e9565ec3ad8d439ab480038c1e567...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:07.942007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004623/publication.mdobserved 7c614bf89ac8621ed0840ed69160f58d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:07.929474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004623/publication.txtobserved 422834477d9e94dd124c2b93febea3cd...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. |
|---|