OT-2026-000052689
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000052689) never changes.
Identity and time
| Publication number | OT-2026-000052689 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573c-7bfb-9094-d078d0442c4d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052689 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffb9a20688fa9da4c5b56c92780743956821365ed4c3bbc5f5c318520d9aab3a |
|---|---|
| Markdown | 22243368fe3dea15dfb24400d72cb4de2eabca0a2ab03a1df23bb3f4317931b3 |
| Publication page | f89ddc34e06dc57dbb004a050f04f59cfcd9ea550ecfb9e2ea8679ed696e3aa1 |
| Manifest | 158ac7ea49aae75be2251c4e018f20f27fd9ad695195b358132cfb4f83546947 |
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 | wkcv678odtI2pW5RDt4TsjKxxncu63hKkjYIJEqfi137KpF4VHQ5f+b04JLdGD+Ra9lz1GNpnMjU6KuGuJtdCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:23.210100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052689observed f89ddc34e06dc57dbb004a050f04f59c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:23.192487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052689/manifest.jsonobserved 158ac7ea49aae75be2251c4e018f20f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:23.173679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052689/publication.mdobserved 22243368fe3dea15dfb24400d72cb4de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:23.153237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052689/publication.txtobserved ffb9a20688fa9da4c5b56c9278074395...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. |
|---|