Pith Number

pith:3IE77LOS

pith:2009:3IE77LOSNR4UMCQCP3XGT57GDP

not attested not anchored not stored refs pending

Origin and structure of the Galactic disc(s)

James Binney, Ralph Schoenrich

arxiv:0907.1899 v1 · 2009-07-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3IE77LOSNR4UMCQCP3XGT57GDP}

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	2026-05-18T02:34:38.888942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da09ffadd26c79460a027eee69f7e61bf64c1bea0265e9775e360a3389c48e62

Aliases

arxiv: 0907.1899 · arxiv_version: 0907.1899v1 · doi: 10.48550/arxiv.0907.1899 · pith_short_12: 3IE77LOSNR4U · pith_short_16: 3IE77LOSNR4UMCQC · pith_short_8: 3IE77LOS

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/3IE77LOSNR4UMCQCP3XGT57GDP \
  | 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: da09ffadd26c79460a027eee69f7e61bf64c1bea0265e9775e360a3389c48e62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "705ef6cbe794b0a0277e0abee846d1308cd55d209e639020edbeba69e6534f35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-07-10T20:24:04Z",
    "title_canon_sha256": "54b23634e193752ef7de6a59474fd5856215277a941e0fa3d73d6c995427829c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1899",
    "kind": "arxiv",
    "version": 1
  }
}