Pith Number

pith:Q3L3Y63W

pith:2015:Q3L3Y63WKDXCHTQY3PYRCPDH2M

not attested not anchored not stored refs pending

Downscaling Microwave Brightness Temperatures Using Self Regularized Regressive Models

Anand Rangarajan, Jasmeet Judge, Sanjay Ranka, Subit Chakrabarti

arxiv:1501.07683 v1 · 2015-01-30 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3L3Y63WKDXCHTQY3PYRCPDH2M}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:28:14.409025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86d7bc7b7650ee23ce18dbf1113c67d310a10d3b5cd9997f56a62b37017cb156

Aliases

arxiv: 1501.07683 · arxiv_version: 1501.07683v1 · doi: 10.48550/arxiv.1501.07683 · pith_short_12: Q3L3Y63WKDXC · pith_short_16: Q3L3Y63WKDXCHTQY · pith_short_8: Q3L3Y63W

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Q3L3Y63WKDXCHTQY3PYRCPDH2M \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 86d7bc7b7650ee23ce18dbf1113c67d310a10d3b5cd9997f56a62b37017cb156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeeb140d7a7daa565e56353c419aa47e343e90224fd30b16a8848c80f4c21178",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-01-30T07:24:44Z",
    "title_canon_sha256": "e62d803edc3e50581d52d89f430b8594810cccb31b81100bcfb65080612b689c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07683",
    "kind": "arxiv",
    "version": 1
  }
}