OT-2026-000026220
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000026220) never changes.
Identity and time
| Publication number | OT-2026-000026220 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a841-792f-abcb-c0e36826893c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026220 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb31983e9eb54375dff97822c6f5e900738f4f598df54c7d370ddd58417ca63f |
|---|---|
| Markdown | ab47ababdfe19b2fdff71840e840226dd55daa931001abf2273695d79b1d4d14 |
| Publication page | 8ed4c2f050c0ddf2e3a79bef6837821a0f87897a13df70f00127679db910a5ec |
| Manifest | 4e5b83028ee0e910f7c1f73df8d0faa5620ae7b4aa8aa78ed65c2d28617f3a76 |
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 | qrJPLeAfvSKq5SgT7N5iJQxvdP9Rc2+7mrIfeSLI4VnMDiJNgmASLldtgKFkIb8VsqZ5Es7M3OjsvmXwZrKfBw== |
| 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
| 2026-09-17T11:46:45.049655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026220observed 8ed4c2f050c0ddf2e3a79bef6837821a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:46:45.030987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026220/manifest.jsonobserved 4e5b83028ee0e910f7c1f73df8d0faa5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:46:45.012591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026220/publication.mdobserved ab47ababdfe19b2fdff71840e840226d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:46:44.991823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026220/publication.txtobserved bb31983e9eb54375dff97822c6f5e900...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. |
|---|