OT-2026-000015252
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-2026-000015252) never changes.
Identity and time
| Publication number | OT-2026-000015252 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7bf7-86c3-3dad5debd044 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015252 |
| Status | PUBLIC |
Content hashes
| Canonical text | dfbacb9b51b7f29a04cf14a717e01da8b99fd1f3c3440a800f2e7c0b4f249f8e |
|---|---|
| Markdown | 972b921dc2e6444c36dac6db221e6c9105c59145d1d91cef885f902e8f9e781e |
| Publication page | f7bc64d726a4b9257e9aa6172911666a2f5daf6d14d4b175c50c70d95db53aa4 |
| Manifest | 236c47ab577514d9d980e946a70b6494b7eb6858cd17722e7fb3dde289dfbeef |
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 | j1DdszRm650SVvQZjPYkcgpnmgMeQu/T8FAX0t4gHuwZtUhM74tMTG3imzYrHC57RkDGlsHoTJbQYDoN5WnQCQ== |
| 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
| 2026-09-17T12:05:55.291613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015252observed f7bc64d726a4b9257e9aa6172911666a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:55.272278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015252/manifest.jsonobserved 236c47ab577514d9d980e946a70b6494...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:55.252487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015252/publication.mdobserved 972b921dc2e6444c36dac6db221e6c91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:55.233329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015252/publication.txtobserved dfbacb9b51b7f29a04cf14a717e01da8...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. |
|---|