OT-2026-000021227
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000021227) never changes.
Identity and time
| Publication number | OT-2026-000021227 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-788d-a1a6-de71755fab6d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021227 |
| Status | PUBLIC |
Content hashes
| Canonical text | cca98ea53afef6c909d3efa6bf06324c501df4d711b3d06697a5fc3e34bb4e3f |
|---|---|
| Markdown | 507a61596893e3f5cb5533dce9c1f971c9b4c5ae26bf4c9c8f7a7c169fc192c8 |
| Publication page | edbf33188d229ec96a15711a08ee37ae15b1d4d1a92901b673a1e430dc909a27 |
| Manifest | f7189188abea040e5d6c3a59dc7eddad02ccd896af1f8c36f1884bfe7f2eb417 |
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 | Bv889TCUEtAy+8wfbycLi2Nj/u5FynAQycfDPGekoc8VWiA8jKRw8Yoilf8Qsx4i7qn07PyCM6N4a41+EkZuBA== |
| 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
| 2026-09-17T11:55:02.112729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021227observed edbf33188d229ec96a15711a08ee37ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:02.094638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021227/manifest.jsonobserved f7189188abea040e5d6c3a59dc7eddad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:02.078178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021227/publication.mdobserved 507a61596893e3f5cb5533dce9c1f971...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:02.061174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021227/publication.txtobserved cca98ea53afef6c909d3efa6bf06324c...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. |
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