OT-2026-000053731
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053731) never changes.
Identity and time
| Publication number | OT-2026-000053731 · never reused |
|---|---|
| Internal UUID | 01a0ae85-735c-7372-8ea7-e2c75cdc3d14 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:36.560124Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053731 |
| Status | PUBLIC |
Content hashes
| Canonical text | daa4bfb1fe2d3a5fc04e953aae24c9178a7924532920306a731a3ca8503a8753 |
|---|---|
| Markdown | 9dbdf7be0cd5cb8c12ec70f59ba59153d055ce5fadd8f09789a3835b3dbb3a15 |
| Publication page | c1c8eec51f04490de921d30812b8f94ee0fd8ef0440d7a3bad1c22de35dd8a81 |
| Manifest | 26bffaa20f32335f1dfd554014b736c02d9a137ac6e508bef556a12b85f03115 |
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 | wsaeEyN7qUZQGxwwD7udUrC+ZfduNtKeRpYxzByk2CfKs4oOdjKFTJCjbdwiscFRrKvAveo6KuQCrXQ9eiohAA== |
| 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
| 2026-09-17T08:40:18.974930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053731observed c1c8eec51f04490de921d30812b8f94e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:40:18.829167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053731/manifest.jsonobserved 26bffaa20f32335f1dfd554014b736c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:18.810334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053731/publication.mdobserved 9dbdf7be0cd5cb8c12ec70f59ba59153...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:18.790560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053731/publication.txtobserved daa4bfb1fe2d3a5fc04e953aae24c917...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. |
|---|