Pith Number

pith:KBFDJJEA

pith:2014:KBFDJJEALP6Z7LH6LXHFDPNTDB

not attested not anchored not stored refs pending

Limits on the strength of individual gravitational wave sources using high-cadence observations of PSR B1937+21

Andrew G. Lyne, Benjamin W. Stappers, Cees G. Bassa, Gemma H. Janssen, Michael Kramer, Shuang-Nan Zhang, Shuxu Yi, Sotirios A. Sanidas

arxiv:1409.2296 v2 · 2014-09-08 · astro-ph.SR · astro-ph.HE · astro-ph.IM · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KBFDJJEALP6Z7LH6LXHFDPNTDB}

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	2026-05-18T01:29:32.014062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

504a34a4805bfd9facfe5dce51bdb3186b5e83e1251d87232d2f2db2fc4e1b6b

Aliases

arxiv: 1409.2296 · arxiv_version: 1409.2296v2 · doi: 10.48550/arxiv.1409.2296 · pith_short_12: KBFDJJEALP6Z · pith_short_16: KBFDJJEALP6Z7LH6 · pith_short_8: KBFDJJEA

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/KBFDJJEALP6Z7LH6LXHFDPNTDB \
  | 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: 504a34a4805bfd9facfe5dce51bdb3186b5e83e1251d87232d2f2db2fc4e1b6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4636c1a36c7c6d5ca62595aea8f5261e921cadf924b5d2e2ad0a47b17f6f722",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-08T11:32:57Z",
    "title_canon_sha256": "524d91de4e4eb699f9410c63d5f268b80937f0a195739b0a90e5b78cb68f9b59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2296",
    "kind": "arxiv",
    "version": 2
  }
}