Pith Number

pith:EHHIJORR

pith:2013:EHHIJORR4PRUDHFAXU5LFPUIKH

not attested not anchored not stored refs pending

Einstein@Home discovery of four young gamma-ray pulsars in Fermi LAT data

B. Allen, B. Machenschalk, C. Aulbert, C. Ng, D. Anderson, D. Hammer, D. J. Champion, H. B. Eggenstein, H. Fehrmann, H. J. Pletsch, L. Guillemot, M. A. Papa, M. Keith, M. Kramer, O. Bock, P. S. Ray, R. Karuppusamy, X. Siemens

arxiv:1311.6427 v1 · 2013-11-25 · 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{EHHIJORR4PRUDHFAXU5LFPUIKH}

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	2026-05-18T03:06:12.591968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ce84ba31e3e3419ca0bd3ab2be8851f9f2e01190b3225d521257ab8b7efae0

Aliases

arxiv: 1311.6427 · arxiv_version: 1311.6427v1 · doi: 10.48550/arxiv.1311.6427 · pith_short_12: EHHIJORR4PRU · pith_short_16: EHHIJORR4PRUDHFA · pith_short_8: EHHIJORR

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/EHHIJORR4PRUDHFAXU5LFPUIKH \
  | 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: 21ce84ba31e3e3419ca0bd3ab2be8851f9f2e01190b3225d521257ab8b7efae0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "785bcee44e949cfdb3f3772d1d3c9b492b04baaf015f50b1d8f26e892e278754",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-25T20:07:06Z",
    "title_canon_sha256": "125a4b50afb06519ec773781b386ab243b26451fdd9a576ca0297c8ee0bd8192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6427",
    "kind": "arxiv",
    "version": 1
  }
}