Pith Number

pith:KB4CKJMW

pith:2017:KB4CKJMWSFALJHLUBTIZK53TQE

not attested not anchored not stored refs pending

Probability density estimation of photometric redshifts based on machine learning

Civita Vellucci, Crescenzo Tortora, Giuseppe Longo, Massimo Brescia, Stefano Cavuoti, Valeria Amaro

arxiv:1706.03501 v1 · 2017-06-12 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KB4CKJMWSFALJHLUBTIZK53TQE}

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	2026-05-18T00:42:34.515971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50782525969140b49d740cd19577738116b9d40dd39e8ae3342e5383911e0d7a

Aliases

arxiv: 1706.03501 · arxiv_version: 1706.03501v1 · doi: 10.48550/arxiv.1706.03501 · pith_short_12: KB4CKJMWSFAL · pith_short_16: KB4CKJMWSFALJHLU · pith_short_8: KB4CKJMW

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/KB4CKJMWSFALJHLUBTIZK53TQE \
  | 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: 50782525969140b49d740cd19577738116b9d40dd39e8ae3342e5383911e0d7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aebf3eae3353c0542038096d91483de2e76dabd2a3c5927f5f1ca00d40347cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-06-12T08:13:00Z",
    "title_canon_sha256": "f6ca3ef6d615ace07861bddd3cca165d26e3b446bd27ec4e5055c50c2ef30666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03501",
    "kind": "arxiv",
    "version": 1
  }
}