Pith Number

pith:TUC6MPGU

pith:2012:TUC6MPGUMLFLKXJMH4VY7VW256

not attested not anchored not stored refs pending

The dispersal of protoplanetary disks around binary stars

Richard Alexander

arxiv:1209.0779 v1 · 2012-09-04 · 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{TUC6MPGUMLFLKXJMH4VY7VW256}

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	2026-05-18T03:31:54.098122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d05e63cd462cab55d2c3f2b8fd6daef869830b4424342c172b1d6abc3a3f165

Aliases

arxiv: 1209.0779 · arxiv_version: 1209.0779v1 · doi: 10.48550/arxiv.1209.0779 · pith_short_12: TUC6MPGUMLFL · pith_short_16: TUC6MPGUMLFLKXJM · pith_short_8: TUC6MPGU

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/TUC6MPGUMLFLKXJMH4VY7VW256 \
  | 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: 9d05e63cd462cab55d2c3f2b8fd6daef869830b4424342c172b1d6abc3a3f165

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "205000c37388bdbb81345f96c1767ec8b791f6f0b4a74ecfeee09ea81bd9c600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-09-04T20:00:31Z",
    "title_canon_sha256": "dbbd4a18d8c734e40e28913727de51075177910859245cf4cadb7daae79d20c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0779",
    "kind": "arxiv",
    "version": 1
  }
}