Pith Number

pith:Q4DXT2BN

pith:2013:Q4DXT2BN5FEZHZ3EU2LWM3C5Y4

not attested not anchored not stored refs pending

Parameters of galactic disks at optical and NIR wavelengths

Alexander S. Gusev, Maria S. Khramtsova, Svetlana A. Guslyakova

arxiv:1304.0931 v1 · 2013-04-03 · 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{Q4DXT2BN5FEZHZ3EU2LWM3C5Y4}

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	2026-05-18T03:29:05.715497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

870779e82de94993e764a697666c5dc7088be1cab933a5bca62c9c072d93aa0e

Aliases

arxiv: 1304.0931 · arxiv_version: 1304.0931v1 · doi: 10.48550/arxiv.1304.0931 · pith_short_12: Q4DXT2BN5FEZ · pith_short_16: Q4DXT2BN5FEZHZ3E · pith_short_8: Q4DXT2BN

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/Q4DXT2BN5FEZHZ3EU2LWM3C5Y4 \
  | 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: 870779e82de94993e764a697666c5dc7088be1cab933a5bca62c9c072d93aa0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d353480293796130b2b4807d8c5570984c9b970517786753fdcaee3a1ad4f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-03T12:22:20Z",
    "title_canon_sha256": "41e38895312c0e52cb59d9ee928ad30430a12dbc20a8b662a42688b2540b9de1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0931",
    "kind": "arxiv",
    "version": 1
  }
}