OT-2026-000052325
Publication integrity record
Single cup vacuum gripper, two 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-2026-000052325) never changes.
Identity and time
| Publication number | OT-2026-000052325 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e791-75ab-9fb6-c6d9d89590ed · 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-2026-000052325 |
| Status | PUBLIC |
Content hashes
| Canonical text | e4cff29532d6cd632c7fdd2ec47ef779419487900d77eb4fb524772e6a524457 |
|---|---|
| Markdown | fd6b935a1398e2338d3677d61813fd2942648add73eb55b3d247b5425be91154 |
| Publication page | 51c0242397f54f8c456ccc8ac2ad92762a0b0970b7132416693abfed0e3a2c71 |
| Manifest | d4ba4c7cfd0f79159f62adbb93f0a2f9a14d1f4a7d5e019963df1044a3f1c40e |
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 | RZg0Ya8TRQ2++SP5NNM2L/mjXdC2mEQRQ7Fd12TNJrKA4diPHCW6Cr7rQsDquIyV2EfpCkgZ7nDP4M29stOgAg== |
| 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
| 2026-09-17T10:58:00.815899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052325observed 51c0242397f54f8c456ccc8ac2ad9276...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:00.797305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052325/manifest.jsonobserved d4ba4c7cfd0f79159f62adbb93f0a2f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:00.779444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052325/publication.mdobserved fd6b935a1398e2338d3677d61813fd29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:00.758845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052325/publication.txtobserved e4cff29532d6cd632c7fdd2ec47ef779...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. |
|---|