Pith Number

pith:URLTLI3D

pith:2023:URLTLI3DRDMXCZWWVYZ2NLCCJP

not attested not anchored not stored refs pending

Preliminary Exploration of Areal Density of Angular Momentum for Spiral Galaxies

Baifei Shen, David Salzmann, Feilu Wang, Gang Zhao, Lan Zhang, Xiangxiang Xue, Zehao Zhong

arxiv:2308.10519 v1 · 2023-08-21 · 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{URLTLI3DRDMXCZWWVYZ2NLCCJP}

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	2026-07-05T06:43:10.517659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a45735a36388d97166d6ae33a6ac424bc9c6837672f7d3b6d030ea384f11971c

Aliases

arxiv: 2308.10519 · arxiv_version: 2308.10519v1 · doi: 10.48550/arxiv.2308.10519 · pith_short_12: URLTLI3DRDMX · pith_short_16: URLTLI3DRDMXCZWW · pith_short_8: URLTLI3D

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/URLTLI3DRDMXCZWWVYZ2NLCCJP \
  | 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: a45735a36388d97166d6ae33a6ac424bc9c6837672f7d3b6d030ea384f11971c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f61f8d796439759eb937dc9d9739be72b2d4cd3a47bf9e5a2e1eb252687cadec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-08-21T07:12:55Z",
    "title_canon_sha256": "68449f3840674ce137b06d775ef0254f553a7a3f793e731ff3f1578b6521ff25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.10519",
    "kind": "arxiv",
    "version": 1
  }
}