Pith Number

pith:FQQRLWAH

pith:2019:FQQRLWAHHCHXNJKKZGHHOVDZAR

not attested not anchored not stored refs pending

Radiation hydrodynamics simulations of the evolution of the diffuse ionized gas in disc galaxies

Bert Vandenbroucke, Kenneth Wood

arxiv:1907.02067 v1 · 2019-07-03 · 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{FQQRLWAHHCHXNJKKZGHHOVDZAR}

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	2026-05-17T23:41:07.045974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2115d807388f76a54ac98e775479047f55a7db71581193de69989b59bd3ebf

Aliases

arxiv: 1907.02067 · arxiv_version: 1907.02067v1 · doi: 10.48550/arxiv.1907.02067 · pith_short_12: FQQRLWAHHCHX · pith_short_16: FQQRLWAHHCHXNJKK · pith_short_8: FQQRLWAH

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/FQQRLWAHHCHXNJKKZGHHOVDZAR \
  | 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: 2c2115d807388f76a54ac98e775479047f55a7db71581193de69989b59bd3ebf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "759303846e492b9e2e8bb7f69d049e0bd9553a75eef4ea338076f556cdb82c9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-03T18:00:00Z",
    "title_canon_sha256": "9778842ed68761ed240b408fd276bbafb5fec87daa95db3a28ad092ce6d52f60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02067",
    "kind": "arxiv",
    "version": 1
  }
}