Pith Number

pith:ZWKFIFZ5

pith:2012:ZWKFIFZ5L4XKK3IRBMG6VPVFKO

not attested not anchored not stored refs pending

Separation of two contributions to the high energy emission of Cygnus X-1: Polarization measurements with INTEGRAL SPI

D. J. Clark, E. Jourdain, J. P. Roques, M. Chauvin

arxiv:1210.4783 v1 · 2012-10-17 · 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{ZWKFIFZ5L4XKK3IRBMG6VPVFKO}

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	2026-05-18T01:53:47.152906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd9454173d5f2ea56d110b0deabea553ab76226e47ae37c658a239644adccd3d

Aliases

arxiv: 1210.4783 · arxiv_version: 1210.4783v1 · doi: 10.48550/arxiv.1210.4783 · pith_short_12: ZWKFIFZ5L4XK · pith_short_16: ZWKFIFZ5L4XKK3IR · pith_short_8: ZWKFIFZ5

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/ZWKFIFZ5L4XKK3IRBMG6VPVFKO \
  | 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: cd9454173d5f2ea56d110b0deabea553ab76226e47ae37c658a239644adccd3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa2f92095342439ba75087ca66d8845c04ca9c12e51440679d118bfbb694daf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-17T16:23:10Z",
    "title_canon_sha256": "5fea4373c7746feda5605dadef73e9ef3174932d49fe2b3e0e87cf27a91c9d11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4783",
    "kind": "arxiv",
    "version": 1
  }
}