OT-2026-000019887
Publication integrity record
Three cup vacuum gripper, three zone face, 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-2026-000019887) never changes.
Identity and time
| Publication number | OT-2026-000019887 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-7836-9dc1-73ea594a2519 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3482073906a771a14083decf994f09238c1ad1d81d963db0f8a54d8559c069c5 |
|---|---|
| Markdown | fd408e9fbd97dcf7a29b7dfc8c353784e0088d902c0b485555236bf7b61d74fe |
| Publication page | b73dace622e16500528c56ac2833461adc423073a9eccfbbcfca41bd8c0719f7 |
| Manifest | 6b1b00c070ad4039347aed7b835fab58976d90d859c0bf446354428a1f9ba8b9 |
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 | +JJmYc71qaeEKASfPSDISuM/Opl+PHWRD8KgKdOPCGGGExf35QLKk010gCp8W0YyRIAMWEMy/5qbqNuFUpeMDA== |
| 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
| 2026-09-17T11:58:05.608196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019887observed b73dace622e16500528c56ac2833461a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:05.591350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019887/manifest.jsonobserved 6b1b00c070ad4039347aed7b835fab58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.573175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019887/publication.mdobserved fd408e9fbd97dcf7a29b7dfc8c353784...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.554719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019887/publication.txtobserved 3482073906a771a14083decf994f0923...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. |
|---|