OT-2026-000044728
Publication integrity record
Single bellows cup vacuum gripper, pump fed, pulsed blow-off after 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-2026-000044728) never changes.
Identity and time
| Publication number | OT-2026-000044728 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-39db-70d2-a9f1-a967ec23a74a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:32.012327Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4bd3614039cde44c760411458d129792359fff0aea7e40e9d5d936705c25627c |
|---|---|
| Markdown | f75b89881721e461a1b0ec026e45fdcd2aff174253caf94341567c041c429931 |
| Publication page | 7e491f1f7eecd26c28ee1f661c42059b84f4c4b96f285e1223d548281ad81f78 |
| Manifest | 9d796bfba151f56e7df9ec032be0e233d11dc64757ae39e8411f335a146b13c8 |
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 | 4VYLIHsZ5RVPEXk9HDlN7FM5GtBQCanlbTmbcli8pHwpSwSXbewKobS6JudcnV+8TQ0KZUzQhzQ3Ypanvhg5AA== |
| 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
| 2026-09-17T11:11:59.842936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044728observed 7e491f1f7eecd26c28ee1f661c42059b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:11:59.825685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044728/manifest.jsonobserved 9d796bfba151f56e7df9ec032be0e233...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:59.808483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044728/publication.mdobserved f75b89881721e461a1b0ec026e45fdcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:59.789785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044728/publication.txtobserved 4bd3614039cde44c760411458d129792...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. |
|---|