OT-2026-000012643
Publication integrity record
Foam pad vacuum gripper, four zone face, 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-2026-000012643) never changes.
Identity and time
| Publication number | OT-2026-000012643 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5561-7120-8c26-18258495a182 · 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-2026-000012643 |
| Status | PUBLIC |
Content hashes
| Canonical text | 643832c12ae71a4d74f5d3d57e8a82ab09e95d8fcfd1e1cc1227bd47d3201fc0 |
|---|---|
| Markdown | b68defe1fe1da749b5041e62649aa49d25434acfdbbc23bc1a8b58bf13c72ff3 |
| Publication page | 84582a60f20d9b562e4275e69c19212e5c40c3e482d5cb98dcc928523172578e |
| Manifest | ffae634339c4c4cf07c8180e763aef6629da946a85ab22bb8407df62b0077209 |
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 | ee3jr/Xzsl8Y1sWDnt8Zb1BPjLwVt5UeEWL90kKLhFgww5dZ/QLD8NayaQW1Frzz9NUWrSVSwCVADi5INdt8Aw== |
| 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
| 2026-09-17T12:10:16.528663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012643observed 84582a60f20d9b562e4275e69c19212e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:16.510065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012643/manifest.jsonobserved ffae634339c4c4cf07c8180e763aef66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:16.493360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012643/publication.mdobserved b68defe1fe1da749b5041e62649aa49d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:16.475905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012643/publication.txtobserved 643832c12ae71a4d74f5d3d57e8a82ab...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. |
|---|