Pith Number

pith:X4SJA5XO

pith:2025:X4SJA5XO4ZKNRVAAYBPFQBO7VO

not attested not anchored not stored refs pending

Non-equilibrium ionization in the multiphase circumgalactic medium -- impact on quasar absorption-line analyses

Hsiao-Wen Chen, Suyash Kumar

arxiv:2501.13170 v2 · 2025-01-22 · 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{X4SJA5XO4ZKNRVAAYBPFQBO7VO}

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	2026-07-05T11:40:51.871833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf249076eee654d8d400c05e5805dfaba6fe7683c490bbb9018340cf9ace4193

Aliases

arxiv: 2501.13170 · arxiv_version: 2501.13170v2 · doi: 10.48550/arxiv.2501.13170 · pith_short_12: X4SJA5XO4ZKN · pith_short_16: X4SJA5XO4ZKNRVAA · pith_short_8: X4SJA5XO

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/X4SJA5XO4ZKNRVAAYBPFQBO7VO \
  | 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: bf249076eee654d8d400c05e5805dfaba6fe7683c490bbb9018340cf9ace4193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beee786023e0cfe1c91db89eb6ca0976e71152769f5c8bc12397d9e3759cb9d2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-22T19:01:06Z",
    "title_canon_sha256": "be63020a6769a4bf63b1b276c4084842c11f01df463db8a0998004b260574845"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13170",
    "kind": "arxiv",
    "version": 2
  }
}