Pith Number

pith:A3E7QHL7

pith:2003:A3E7QHL7C2AJUNG4ALGGT2N4JS

not attested not anchored not stored refs pending

Constraining the properties of the proposed supermassive black hole system in 3c66b: Limits from pulsar timing

Andrea Lommen, Fredrick A. Jenet, Linqing Wen, Shane L. Larson

arxiv:astro-ph/0310276 v2 · 2003-10-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3E7QHL7C2AJUNG4ALGGT2N4JS}

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	2026-07-04T16:37:31.031578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06c9f81d7f16809a34dc02cc69e9bc4c934706cd491b6a74b0995c473afea1aa

Aliases

arxiv: astro-ph/0310276 · arxiv_version: astro-ph/0310276v2 · doi: 10.48550/arxiv.astro-ph/0310276 · pith_short_12: A3E7QHL7C2AJ · pith_short_16: A3E7QHL7C2AJUNG4 · pith_short_8: A3E7QHL7

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/A3E7QHL7C2AJUNG4ALGGT2N4JS \
  | 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: 06c9f81d7f16809a34dc02cc69e9bc4c934706cd491b6a74b0995c473afea1aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23d556146a442abec6ac83630e8df6432e48dd32abb52808b5b32b5e31b1eaa3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-09T19:29:43Z",
    "title_canon_sha256": "fbd0e56b770e32bec1be37cead8d83d5886514e64725d23f2548fc4ff7ef0e30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310276",
    "kind": "arxiv",
    "version": 2
  }
}