OT-2026-000057892
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000057892) never changes.
Identity and time
| Publication number | OT-2026-000057892 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-7057-9def-59b0472c5cdc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057892 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a7cfe63bc69e0444652fb4cd3e47324d4a5f73784ef9c62349bc82e516cbb62 |
|---|---|
| Markdown | 416e3ffda910278587a6f50d4c30f2cba1401202d222b7bec9ffa6f3570f6ce0 |
| Publication page | d1058de939ba133606011f5652ebb8b04dbc8964933ff5856d6582ec3e4b4dad |
| Manifest | d0085f298154327899e71170ecb26129030a08aeaaf6bc4b96fe885ab5564c96 |
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 | 5hDqXpUaJc514nesH87Npae+7rtW6wke+2x8Pg/8NIyL8nf7pYi4UrUxEi51n5gD27qYo8CJLyDE9H+EbNCrDA== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:47:29.102746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057892observed d1058de939ba133606011f5652ebb8b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:29.082718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057892/manifest.jsonobserved d0085f298154327899e71170ecb26129...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:29.062983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057892/publication.mdobserved 416e3ffda910278587a6f50d4c30f2cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:29.042594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057892/publication.txtobserved 1a7cfe63bc69e0444652fb4cd3e47324...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. |
|---|