Pith Number

pith:UGJ2RNO6

pith:2015:UGJ2RNO64W743TRACF5ZAFXTST

not attested not anchored not stored refs pending

Polytropic transonic galactic outflows in a dark matter halo with a central black hole

Asuka Igarashi, Masao Mori, Shin-ya Nitta

arxiv:1508.01331 v2 · 2015-08-06 · 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{UGJ2RNO64W743TRACF5ZAFXTST}

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	2026-05-18T00:43:18.812410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a193a8b5dee5bfcdce20117b9016f394dd4d0d7f30e1cb7a6d02e1c3e3a5189c

Aliases

arxiv: 1508.01331 · arxiv_version: 1508.01331v2 · doi: 10.48550/arxiv.1508.01331 · pith_short_12: UGJ2RNO64W74 · pith_short_16: UGJ2RNO64W743TRA · pith_short_8: UGJ2RNO6

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/UGJ2RNO64W743TRACF5ZAFXTST \
  | 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: a193a8b5dee5bfcdce20117b9016f394dd4d0d7f30e1cb7a6d02e1c3e3a5189c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6b14dc150f790bce9c1c4778465b42a034df1a5b80c05fcdfc0fd436b4900d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-06T09:03:39Z",
    "title_canon_sha256": "e4ec6570fe440be3ca3934aaae3cb564f8f938152ba913a91f391429473ea854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01331",
    "kind": "arxiv",
    "version": 2
  }
}