OT-2026-000005262
Publication integrity record
Four finger mechanical gripper, pump fed, contact triggered, pneumatic drive, 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-2026-000005262) never changes.
Identity and time
| Publication number | OT-2026-000005262 · never reused |
|---|---|
| Internal UUID | 01a0a933-29c8-7f74-9940-cd2e7835c7f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:51:37.674647Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005262 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef3277620056e2e6ec92bb7bf7643c3520a98cee2869afc75e461cbe894c426e |
|---|---|
| Markdown | 425f20d2839154f4d88ad6317fd4539386002577da6699ca56f98b9b9202e173 |
| Publication page | 59d32c4454d56482af914561271dfb9374afce1bafa7e9013ab56670c9160280 |
| Manifest | dfc9f7deff6a475ad9bb9819d087af49999d8ac1cfd9d528b6aa6a840e4e776b |
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 | 0gTtX23L8pJZyM7BOjW0ch+ZwG4iB86ZcSUdt8MKmbMxMT0Gy9+Pu/iTXmaOb/9zVg02vPOYqHAXEHlU8mBQCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:29.395277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005262observed 59d32c4454d56482af914561271dfb93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:29.380820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005262/manifest.jsonobserved dfc9f7deff6a475ad9bb9819d087af49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:29.244603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005262/publication.mdobserved 425f20d2839154f4d88ad6317fd45393...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:29.230268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005262/publication.txtobserved ef3277620056e2e6ec92bb7bf7643c35...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. |
|---|