OT-2026-000013500
Publication integrity record
Single bellows cup vacuum gripper, three 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-2026-000013500) never changes.
Identity and time
| Publication number | OT-2026-000013500 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-7f76-a323-128aa1f6f935 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013500 |
| Status | PUBLIC |
Content hashes
| Canonical text | c1bdcbafe3237fd5b3fca288965f9c61635fde4a5b68ec757f6ca9eedb1215bb |
|---|---|
| Markdown | 8414077148d463c56a6fe1ebda1f59441e698c34fb194d3fb67b0e4c424bbefa |
| Publication page | 13fb8ab5e1c154d322ac0165594ac2e7894a2f9fa714def4aecc4740fe7cc8c5 |
| Manifest | 48f06df3b243e2e1a303b5f2eccd607f1620859365001894982cdfd6a853a38e |
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 | R2Hihc++vKyr40s5b6oE8BPSSvTTubTjr1TRsEfg+2+9T0xW4sOUVxO7b/Sa8oblHcNxv3j2wIcRn7uswn7NAg== |
| 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
| 2026-09-17T12:10:00.534579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013500observed 13fb8ab5e1c154d322ac0165594ac2e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:00.512861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013500/manifest.jsonobserved 48f06df3b243e2e1a303b5f2eccd607f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:00.494982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013500/publication.mdobserved 8414077148d463c56a6fe1ebda1f5944...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:00.475191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013500/publication.txtobserved c1bdcbafe3237fd5b3fca288965f9c61...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. |
|---|