Pith Number

pith:AXIQT5JC

pith:2019:AXIQT5JCHZ5NU4X5CB7MXSWVIH

not attested not anchored not stored refs pending

The abundance and physical properties of O VII and O VIII X-ray absorption systems in the EAGLE simulations

Benjamin D. Oppenheimer, Fabrizio Nicastro, Joop Schaye, Nastasha A. Wijers, Robert A. Crain

arxiv:1904.01057 v2 · 2019-04-01 · astro-ph.GA · 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{AXIQT5JCHZ5NU4X5CB7MXSWVIH}

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	2026-05-17T23:41:09.230276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d109f5223e7ada72fd107ecbcad541ff98584ba6ffd878ffb04c405068133e

Aliases

arxiv: 1904.01057 · arxiv_version: 1904.01057v2 · doi: 10.48550/arxiv.1904.01057 · pith_short_12: AXIQT5JCHZ5N · pith_short_16: AXIQT5JCHZ5NU4X5 · pith_short_8: AXIQT5JC

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/AXIQT5JCHZ5NU4X5CB7MXSWVIH \
  | 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: 05d109f5223e7ada72fd107ecbcad541ff98584ba6ffd878ffb04c405068133e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecf019777b7a7d5b7e36863a1d33b9bc1757ae67bcf35c32f84ab1e99c5890b8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-01T18:28:19Z",
    "title_canon_sha256": "2a4ad5356df8c0491286ba527ab9b15fb42b8e298f36f0e9907b1f883b9e5db9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01057",
    "kind": "arxiv",
    "version": 2
  }
}