Pith Number

pith:MDGPTOIQ

pith:2009:MDGPTOIQGCLX4VUZN767K4ORJC

not attested not anchored not stored refs pending

High resolution X-ray spectroscopy of the multiphase interstellar medium toward Cyg X-2

Claude R. Canizares, Michael A. Nowak, Ming F. Gu, Norbert S. Schulz, Yangsen Yao

arxiv:0902.2778 v1 · 2009-02-16 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDGPTOIQGCLX4VUZN767K4ORJC}

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	2026-05-18T04:29:16.523455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60ccf9b91030977e56996ffdf571d148a6de2c9e24f77d5778c21f25c3191714

Aliases

arxiv: 0902.2778 · arxiv_version: 0902.2778v1 · doi: 10.48550/arxiv.0902.2778 · pith_short_12: MDGPTOIQGCLX · pith_short_16: MDGPTOIQGCLX4VUZ · pith_short_8: MDGPTOIQ

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/MDGPTOIQGCLX4VUZN767K4ORJC \
  | 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: 60ccf9b91030977e56996ffdf571d148a6de2c9e24f77d5778c21f25c3191714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff39359de53148825115a89ac1ebd4f7dc94405ae3a6d5af99aaeebac6e7b3f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-16T21:00:10Z",
    "title_canon_sha256": "283bc04effdb337fd05f4443c53e69ade9eb263bf378d4e96130fcfa3de82f53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2778",
    "kind": "arxiv",
    "version": 1
  }
}