OT-2026-000012877
Publication integrity record
Single cup vacuum gripper, pump fed, 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-2026-000012877) never changes.
Identity and time
| Publication number | OT-2026-000012877 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-7b68-b5dc-abe515d5e34f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012877 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4d0bc24c566d1766a50d5b984b242bca78b193741fab22c4688f5188fc8d30e |
|---|---|
| Markdown | 53530a0ee646e0cf47da78b5755b8b997a5c8ef488b0aff212fe439396ebb49c |
| Publication page | d28e47a98f2392a47528212e88fda93684cf5cd0e8b28ee515a60eea9817689d |
| Manifest | 4aac61f26de5cde30aa4400cf35328dd4cc1cc7979704a8e715e40d55aa3b3c7 |
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 | 6wqINyJW4B2EeZJt/hs+KV7I3tvbjjrZQpUSeAQM8ViffgFCdIsrCpQ9qnWkzbnzHTLcOz/rwrw6wCtEK8lYDQ== |
| 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
| 2026-09-17T12:10:39.790605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012877observed d28e47a98f2392a47528212e88fda936...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:39.773303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012877/manifest.jsonobserved 4aac61f26de5cde30aa4400cf35328dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:39.756343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012877/publication.mdobserved 53530a0ee646e0cf47da78b5755b8b99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:39.720004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012877/publication.txtobserved a4d0bc24c566d1766a50d5b984b242bc...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. |
|---|