Pith Number

pith:JIRMVG42

pith:2010:JIRMVG42FWLWYKW2ZDD3V7TVQM

not attested not anchored not stored refs pending

Dynamics of Protoplanetary Disks

Philip J. Armitage

arxiv:1011.1496 v3 · 2010-11-05 · astro-ph.SR · 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{JIRMVG42FWLWYKW2ZDD3V7TVQM}

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	2026-05-18T04:14:47.365596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a22ca9b9a2d976c2adac8c7bafe75833827777758cc7815721fa47694d6ea81

Aliases

arxiv: 1011.1496 · arxiv_version: 1011.1496v3 · doi: 10.48550/arxiv.1011.1496 · pith_short_12: JIRMVG42FWLW · pith_short_16: JIRMVG42FWLWYKW2 · pith_short_8: JIRMVG42

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/JIRMVG42FWLWYKW2ZDD3V7TVQM \
  | 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: 4a22ca9b9a2d976c2adac8c7bafe75833827777758cc7815721fa47694d6ea81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a129ad2239819a21fe77badf01113023d3931223cd4af8eb13487b6a3d4c4e72",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-11-05T20:00:02Z",
    "title_canon_sha256": "1be86dcca59aa7d703c34ece2f1ab2cce21dbc44d8d1e9379b803a005bc4a09b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1496",
    "kind": "arxiv",
    "version": 3
  }
}