Pith Number

pith:VTZF4KBX

pith:2014:VTZF4KBX5NBCZT6QUI5WLGUG2K

not attested not anchored not stored refs pending

A Bayesian Method for the Intercalibration of Spectra in Reverberation Mapping

Chen Hu, Jian-Min Wang, Jin-Ming Bai, Pu Du, Yan-Rong Li

arxiv:1404.2351 v1 · 2014-04-09 · astro-ph.IM · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTZF4KBX5NBCZT6QUI5WLGUG2K}

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	2026-05-18T01:43:36.245419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acf25e2837eb422ccfd0a23b659a86d299e966cfd1a682607e3bcfd29a3f01c8

Aliases

arxiv: 1404.2351 · arxiv_version: 1404.2351v1 · doi: 10.48550/arxiv.1404.2351 · pith_short_12: VTZF4KBX5NBC · pith_short_16: VTZF4KBX5NBCZT6Q · pith_short_8: VTZF4KBX

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/VTZF4KBX5NBCZT6QUI5WLGUG2K \
  | 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: acf25e2837eb422ccfd0a23b659a86d299e966cfd1a682607e3bcfd29a3f01c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c19a6a147cbd06c6bb0c6cb9f6190616dcf0ddbbe4097aa89beb91386425af3",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-04-09T02:02:26Z",
    "title_canon_sha256": "91bad46096d5fba6e3aee6b34dac8d7917a3da26f00f1bfc037ccff71f8f226d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2351",
    "kind": "arxiv",
    "version": 1
  }
}