Pith Number

pith:UY5A2XBM

pith:2009:UY5A2XBMFYIMKDSP4EP3A4P36M

not attested not anchored not stored refs pending

The Implications of a High Cosmic-Ray Ionization Rate in Diffuse Interstellar Clouds

Benjamin J. McCall, Brian D. Fields, Nick Indriolo

arxiv:0901.1143 v1 · 2009-01-08 · 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{UY5A2XBMFYIMKDSP4EP3A4P36M}

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	2026-05-18T04:29:24.023291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a63a0d5c2c2e10c50e4fe11fb071fbf31114958bddbd0d7c14ab26c52d4ebd6f

Aliases

arxiv: 0901.1143 · arxiv_version: 0901.1143v1 · doi: 10.48550/arxiv.0901.1143 · pith_short_12: UY5A2XBMFYIM · pith_short_16: UY5A2XBMFYIMKDSP · pith_short_8: UY5A2XBM

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/UY5A2XBMFYIMKDSP4EP3A4P36M \
  | 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: a63a0d5c2c2e10c50e4fe11fb071fbf31114958bddbd0d7c14ab26c52d4ebd6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a9362a4a9e008f33bab514faeb55eb96f0396051099205eb4b803412396a164",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-08T22:01:12Z",
    "title_canon_sha256": "d652c69b64b8ec8e2e8e6ca769009eef22804f8fa8cd934e8720aaf8a4356ac7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1143",
    "kind": "arxiv",
    "version": 1
  }
}