Pith Number

pith:QVV5I4J4

pith:2013:QVV5I4J4JBCWAUVYVBJPKTNHBV

not attested not anchored not stored refs pending

Protostellar Disk Evolution Over Million-Year Timescales with a Prescription for Magnetized Turbulence

(2) University of Texas at Austin, (3) Jet Propulsion Laboratory/California Institute of Technology), Greg Abram (2) ((1) University of Texas at Dallas, Neal J. Turner (3), Russell Landry (1), Sarah E. Dodson-Robinson (2)

arxiv:1305.0770 v1 · 2013-05-03 · 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{QVV5I4J4JBCWAUVYVBJPKTNHBV}

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	2026-05-18T01:50:12.641202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

856bd4713c48456052b8a852f54da70d7bda7b4e6853c0631b248cc0391888e9

Aliases

arxiv: 1305.0770 · arxiv_version: 1305.0770v1 · doi: 10.48550/arxiv.1305.0770 · pith_short_12: QVV5I4J4JBCW · pith_short_16: QVV5I4J4JBCWAUVY · pith_short_8: QVV5I4J4

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/QVV5I4J4JBCWAUVYVBJPKTNHBV \
  | 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: 856bd4713c48456052b8a852f54da70d7bda7b4e6853c0631b248cc0391888e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "066800748457b749c0faa574f17c1817b1eb67e17c83a5e3c2c7d8036a8ebed1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-05-03T16:41:58Z",
    "title_canon_sha256": "5783fe7c60dbd5294e50e6f88a1db8f955572fa660122bc63b0e500b5a57ac59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0770",
    "kind": "arxiv",
    "version": 1
  }
}