OT-2026-000026688
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000026688) never changes.
Identity and time
| Publication number | OT-2026-000026688 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4aa-76d3-b81c-7963a6c3ca06 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026688 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f40f99d4fd31e30446177de790cac252ba617ba905175ccc8c42fc53cb8da57 |
|---|---|
| Markdown | d91387f5b856726a799914451ead23efde5044a9dde97f3f51853d12b33cb156 |
| Publication page | c56c5f09983d69e04502bddec505559ff47748719bac018ed8a10a626349fd54 |
| Manifest | da715c7e92a306f2931edd2d1d568fd9b2bb8be817c66477785276cc280f5957 |
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 | 0gx3dDkHVs1Ac5essBB18/1AqHgvYNYIh7tyhS7zy0wiUTiow0Uvb/nqMV/MwQL6n0AfF3yfBEkp/26O8XgQBA== |
| 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
| 2026-09-17T11:45:46.577219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026688observed c56c5f09983d69e04502bddec505559f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:45:46.559954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026688/manifest.jsonobserved da715c7e92a306f2931edd2d1d568fd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:46.538303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026688/publication.mdobserved d91387f5b856726a799914451ead23ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:46.521670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026688/publication.txtobserved 1f40f99d4fd31e30446177de790cac25...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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