OT-2026-000021480
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000021480) never changes.
Identity and time
| Publication number | OT-2026-000021480 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-715b-a678-75f5d5b13307 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021480 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee3734d6f06297ff2d7e002cb54699efce80added3a90e9c233fc6e68863940f |
|---|---|
| Markdown | 0edc4b093dad1c3a4b4ec44dd44235fe8b21b2f7763e25bebee19ebe148eff0c |
| Publication page | 9e4035ecd439018efdf48eb239b8986e7408dbdc5ad9999c5251bc1230e3d18b |
| Manifest | e2c2a45f49ea7998ae1ad76f77b33cfd07a4ea80de3c5f42d681263805aa1edf |
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 | nHp6SWh8jclT9e0Gp6CQuSFdITJKvfPjOhoD3blXdSmCl7qoNW5nfwFgcc+f+FJ7Je+Lv3gFoy8eA+9D/x8KAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:23.672566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021480observed 9e4035ecd439018efdf48eb239b8986e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:23.655852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021480/manifest.jsonobserved e2c2a45f49ea7998ae1ad76f77b33cfd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.638722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021480/publication.mdobserved 0edc4b093dad1c3a4b4ec44dd44235fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.619564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021480/publication.txtobserved ee3734d6f06297ff2d7e002cb54699ef...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. |
|---|