Pith Number

pith:ITFXHCN4

pith:2020:ITFXHCN4DWQNO2UPLYCKAHE2H4

not attested not anchored not stored refs pending

On the Cooling Flow Problem in the Gaseous Halo of the Milky Way

Fulai Guo, Xiang-Er Fang, Ye-Fei Yuan

arxiv:2001.10836 v2 · 2020-01-29 · astro-ph.GA · 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{ITFXHCN4DWQNO2UPLYCKAHE2H4}

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	2026-07-05T01:00:39.301801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44cb7389bc1da0d76a8f5e04a01c9a3f2d57e270c1a3a414b8ec41c87b07e139

Aliases

arxiv: 2001.10836 · arxiv_version: 2001.10836v2 · doi: 10.48550/arxiv.2001.10836 · pith_short_12: ITFXHCN4DWQN · pith_short_16: ITFXHCN4DWQNO2UP · pith_short_8: ITFXHCN4

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/ITFXHCN4DWQNO2UPLYCKAHE2H4 \
  | 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: 44cb7389bc1da0d76a8f5e04a01c9a3f2d57e270c1a3a414b8ec41c87b07e139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8280b41b873cae32d2f782f670fe948b5e30f504fc82cae4884ea7628b240867",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-29T13:52:45Z",
    "title_canon_sha256": "d153989bebd0d67201814c521f139f2b5f1e23f0480f43ceddc7098118c4bad4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.10836",
    "kind": "arxiv",
    "version": 2
  }
}