Pith Number

pith:7VY4ID4L

pith:2013:7VY4ID4L4LOVQS3ROLT4WSJNZK

not attested not anchored not stored refs pending

ALMA and CARMA observations of Brown Dwarfs disks: testing the models of dust evolution

A. Isella, A. Natta, A. Scholz, I. de Gregorio-Monsalvo, J. M. Carpenter, L. Ricci, L. Testi

arxiv:1307.0463 v1 · 2013-07-01 · astro-ph.EP · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VY4ID4L4LOVQS3ROLT4WSJNZK}

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	2026-05-18T03:19:33.328268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd71c40f8be2dd584b7172e7cb492dcaaf596638f0635f5a30b4e8d5a7c6cd18

Aliases

arxiv: 1307.0463 · arxiv_version: 1307.0463v1 · doi: 10.48550/arxiv.1307.0463 · pith_short_12: 7VY4ID4L4LOV · pith_short_16: 7VY4ID4L4LOVQS3R · pith_short_8: 7VY4ID4L

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/7VY4ID4L4LOVQS3ROLT4WSJNZK \
  | 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: fd71c40f8be2dd584b7172e7cb492dcaaf596638f0635f5a30b4e8d5a7c6cd18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f0460d28499b7d19c62567b23a4373c56fea693829a55a5561912bd58dec848",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-07-01T18:23:32Z",
    "title_canon_sha256": "966d36ab8bc2d968d55ed1bd5d1110986e5dead8c49297c1c7de552ac5e9d446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0463",
    "kind": "arxiv",
    "version": 1
  }
}