Pith Number

pith:WTR44CZU

pith:2013:WTR44CZUWHVJXZCGR6UW4JUSC3

not attested not anchored not stored refs pending

Spiral Structure Dynamics in Pure Stellar Disk Models

Brazil), Diego Valencia-Enriquez (INAOE, IP&D, Ivanio Puerari (INAOE, Mexico, Mexico), UniVap

arxiv:1310.4674 v1 · 2013-10-17 · astro-ph.GA · 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{WTR44CZUWHVJXZCGR6UW4JUSC3}

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	2026-05-18T03:10:13.308598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e3ce0b34b1ea9be4468fa96e269216f25670571a2b268b2cf3383a3a56ef72

Aliases

arxiv: 1310.4674 · arxiv_version: 1310.4674v1 · doi: 10.48550/arxiv.1310.4674 · pith_short_12: WTR44CZUWHVJ · pith_short_16: WTR44CZUWHVJXZCG · pith_short_8: WTR44CZU

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/WTR44CZUWHVJXZCGR6UW4JUSC3 \
  | 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: b4e3ce0b34b1ea9be4468fa96e269216f25670571a2b268b2cf3383a3a56ef72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "867b36b5c78ef02a26d96d89cd1554c4b90024da87b617de8daec37d2ec63e16",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-17T12:28:00Z",
    "title_canon_sha256": "caa4790188f80e536c046244e15e5c08b37fb328a2dd8e5f58299f2ac8359ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4674",
    "kind": "arxiv",
    "version": 1
  }
}