Pith Number

pith:YORC4BNJ

pith:2002:YORC4BNJOQ7WQVYPTG7TPJXICO

not attested not anchored not stored refs pending

The TeV spectrum of H1426+428

A. Falcone, A.M. Hillas, B. Power-Mooney, C. Duke, D.A. Carter-Lewis, D. Horan, D.J. Fegan, D. Kieda, D. M\"uller, D. Petry, F. Krennrich, G.H. Sembroski, G. Walker, H.J. Rose, I. de la Calle Perez, I.H. Bond, J.A. Gaidos, J. Hall, J.H. Buckley, J. Holder, J. Kildea, J. Knapp, J.P. Finley, J. Quinn, K. Gibbs, K. Kosack, M. Jordan, M. Kertzman, M. Page, M. Schroedter, N. Stanton, N.W. Reay, P. Moriarty, P.T. Reynolds, R. Ong, R. Pallassini, R. Sidwell, S. Gammell, S.J. Fegan, S. LeBohec, S.M. Bradbury, S.P. Swordy, S.P. Wakely, T.A. Hall, T.C. Weekes, T.N. Nagai, V.V. Vassiliev, W. Cui

arxiv:astro-ph/0207506 v1 · 2002-07-23 · 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{YORC4BNJOQ7WQVYPTG7TPJXICO}

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	2026-07-04T15:18:00.466970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3a22e05a9743f68570f99bf37a6e81385434232cfb8e1303f90e290b4e34f0d

Aliases

arxiv: astro-ph/0207506 · arxiv_version: astro-ph/0207506v1 · doi: 10.48550/arxiv.astro-ph/0207506 · pith_short_12: YORC4BNJOQ7W · pith_short_16: YORC4BNJOQ7WQVYP · pith_short_8: YORC4BNJ

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/YORC4BNJOQ7WQVYPTG7TPJXICO \
  | 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: c3a22e05a9743f68570f99bf37a6e81385434232cfb8e1303f90e290b4e34f0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "380321e2ba758b2432a3588fb62ced1b12a06a3a2d150ecd65091c533d396f57",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-23T16:16:59Z",
    "title_canon_sha256": "7d31da63271671a9a4f4173ff94d29d636beff5722b6c973afd3a1cf9447f4f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207506",
    "kind": "arxiv",
    "version": 1
  }
}