OT-2026-000052381
Publication integrity record
Single cup vacuum gripper, pump fed, 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-2026-000052381) never changes.
Identity and time
| Publication number | OT-2026-000052381 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-7748-8910-689f6f30ea88 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052381 |
| Status | PUBLIC |
Content hashes
| Canonical text | 84a1a6afe5edcdca6cf7c31230771d6d35f2b507f3858852437a3039f95a1780 |
|---|---|
| Markdown | 68aad0f192326e62af95dc51cf086901887e4b193746461b3e54bf88158b83c1 |
| Publication page | 92c65c56bd2f666baa8676686fd30965cb60652c86ac60ba9f234a32cdaef9a5 |
| Manifest | 67e0c8844b6e9ffec872f2ab43b2d2a7dded0bc02392e69b4adc744f1763c855 |
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 | iGaThcBcMZsezZFmIySqRRl/LGBsSvdoF0oknc3GIDQDlQBXaLMOqhcnHM4fLtDfXL+MgoY1WhicKSu2lnR1AQ== |
| 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
| 2026-09-17T10:58:05.076957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052381observed 92c65c56bd2f666baa8676686fd30965...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:05.061746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052381/manifest.jsonobserved 67e0c8844b6e9ffec872f2ab43b2d2a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:05.043869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052381/publication.mdobserved 68aad0f192326e62af95dc51cf086901...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:05.024480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052381/publication.txtobserved 84a1a6afe5edcdca6cf7c31230771d6d...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. |
|---|