Pith Number

pith:ZEDPVENW

pith:2013:ZEDPVENWTBI3KQLKYKSE7LY3DO

not attested not anchored not stored refs pending

Evidence for a Snow Line Beyond the Transitional Radius in the TW Hya Protoplanetary Disk

C. Salyk, G. A. Blake, K. M. Pontoppidan, K. Zhang

arxiv:1302.3655 v1 · 2013-02-15 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEDPVENWTBI3KQLKYKSE7LY3DO}

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	2026-05-18T01:51:41.071821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c906fa91b69851b5416ac2a44faf1b1bbfd744d14f6460db0f4de870dfab98ab

Aliases

arxiv: 1302.3655 · arxiv_version: 1302.3655v1 · doi: 10.48550/arxiv.1302.3655 · pith_short_12: ZEDPVENWTBI3 · pith_short_16: ZEDPVENWTBI3KQLK · pith_short_8: ZEDPVENW

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/ZEDPVENWTBI3KQLKYKSE7LY3DO \
  | 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: c906fa91b69851b5416ac2a44faf1b1bbfd744d14f6460db0f4de870dfab98ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df977d5154b819b2d87512f95023021c37513d2c56560c9f316a1e8fcb7b987d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-02-15T01:10:00Z",
    "title_canon_sha256": "492854d59c1f30d2d5c7e0f6afb169036f69661536f35e82c85907d2541a40d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3655",
    "kind": "arxiv",
    "version": 1
  }
}