Pith Number

pith:I7JAZDXY

pith:2013:I7JAZDXYFLXYNWTMG53GEABXI2

not attested not anchored not stored refs pending

Gamma-ray observations of Cygnus X-1 above 100 MeV in the hard and soft states

A. Bulgarelli, A. Chen, A. Giuliani, A. Morselli, A. Pellizzoni, E. Del Monte, E. Striani, F. Longo, G. Piano, G. Pooley, M. Del Santo, M. Giusti, M. Pilia, M. Tavani, M. Trifoglio, P. Coppi, P. W. Cattaneo, R. Campana, S. Colafrancesco, S. Sabatini, S. Vercellone, Y. Evangelista

arxiv:1303.0161 v1 · 2013-03-01 · 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{I7JAZDXYFLXYNWTMG53GEABXI2}

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	2026-05-18T01:51:25.526792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47d20c8ef82aef86da6c377662003746af45a2331c644217588266a62d45a3e7

Aliases

arxiv: 1303.0161 · arxiv_version: 1303.0161v1 · doi: 10.48550/arxiv.1303.0161 · pith_short_12: I7JAZDXYFLXY · pith_short_16: I7JAZDXYFLXYNWTM · pith_short_8: I7JAZDXY

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/I7JAZDXYFLXYNWTMG53GEABXI2 \
  | 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: 47d20c8ef82aef86da6c377662003746af45a2331c644217588266a62d45a3e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d87af130b08ad71fe3790d3219ab075410bdee5560c4eb4609c15d90f6de9f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-01T13:04:04Z",
    "title_canon_sha256": "2988754f0dbf39aae91936f8fccf73ae84e7a8fdb681c7c79c609aa1fd8d4f0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0161",
    "kind": "arxiv",
    "version": 1
  }
}