Pith Number

pith:7LW7MKYK

pith:2015:7LW7MKYKRP7ZVKWVCKFH5G7FGO

not attested not anchored not stored refs pending

Lepto-hadronic model for the broadband emission of Cygnus X-1

Carolina Pepe, Gabriela S. Vila, Gustavo E. Romero

arxiv:1509.08514 v1 · 2015-09-28 · 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{7LW7MKYKRP7ZVKWVCKFH5G7FGO}

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	2026-05-18T01:25:31.275898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faedf62b0a8bff9aaad5128a7e9be5338d4e4e434db05669e1ab5af436aff281

Aliases

arxiv: 1509.08514 · arxiv_version: 1509.08514v1 · doi: 10.48550/arxiv.1509.08514 · pith_short_12: 7LW7MKYKRP7Z · pith_short_16: 7LW7MKYKRP7ZVKWV · pith_short_8: 7LW7MKYK

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/7LW7MKYKRP7ZVKWVCKFH5G7FGO \
  | 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: faedf62b0a8bff9aaad5128a7e9be5338d4e4e434db05669e1ab5af436aff281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8335c96f736e05e0a610f16a2d6a301169a802fd58c733591656a6d5d59a3ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-28T21:28:43Z",
    "title_canon_sha256": "bf2e12218315241f940725e5389a2399278f2ae22cabe01ca807262e9cf7765c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08514",
    "kind": "arxiv",
    "version": 1
  }
}