OT-2026-000021628
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000021628) never changes.
Identity and time
| Publication number | OT-2026-000021628 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7ec9-ab72-8aa4d3809dfd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021628 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d2087752822991c1e649ffb35ca2967ae8d50babfb601e298f0984a14b425e0 |
|---|---|
| Markdown | a49ce22225dc2ce1c1b9b21355062f0d379f6fe85b2d667f3ee59991574e2d45 |
| Publication page | e9f14fb637cb786841f2555606e11544885d97271f4d59a846f3c8ee343d19b6 |
| Manifest | 42b3eb856bbbadc30c3eee095c9f156129c2c9df46224e7267f5f88f5b176733 |
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 | +U6e0kCH5cl4KDYDp0aMDMFhHTxLyjB9XDeV2ndo12yM6BAexOLUH3azGxSr7YOTFX5Depya1d7UPLoDwkZ4Dw== |
| 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
| 2026-09-17T11:54:09.875146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021628observed e9f14fb637cb786841f2555606e11544...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:09.856152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021628/manifest.jsonobserved 42b3eb856bbbadc30c3eee095c9f1561...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:09.834032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021628/publication.mdobserved a49ce22225dc2ce1c1b9b21355062f0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:09.812936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021628/publication.txtobserved 8d2087752822991c1e649ffb35ca2967...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. |
|---|