Pith Number

pith:LFG3ICZF

pith:2009:LFG3ICZFIRN7USJXWA7ZNS5AKY

not attested not anchored not stored refs pending

Broad HI Absorbers as Metallicity-Independent Tracers of the Warm-Hot Intergalactic Medium

Charles W. Danforth, J. Michael Shull (University of Colorado), John T. Stocke

arxiv:0912.1603 v1 · 2009-12-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFG3ICZFIRN7USJXWA7ZNS5AKY}

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	2026-05-18T02:33:57.141121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594db40b25445bfa4937b03f96cba05634d2926e0a169f1b7cf1c13a934f287c

Aliases

arxiv: 0912.1603 · arxiv_version: 0912.1603v1 · doi: 10.48550/arxiv.0912.1603 · pith_short_12: LFG3ICZFIRN7 · pith_short_16: LFG3ICZFIRN7USJX · pith_short_8: LFG3ICZF

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/LFG3ICZFIRN7USJXWA7ZNS5AKY \
  | 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: 594db40b25445bfa4937b03f96cba05634d2926e0a169f1b7cf1c13a934f287c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53383d426a1ae78c0d244dc9afc01bc9ac897b99a5e36d2a8686bac049b835be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-08T21:03:20Z",
    "title_canon_sha256": "3df74a51ef64a611fd56106e806959d1962b2f93d69abaf3b080b89321b34fa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1603",
    "kind": "arxiv",
    "version": 1
  }
}