Pith Number

pith:ZJCYTK5F

pith:2015:ZJCYTK5F4PU6VLLQPRMJGAUVYM

not attested not anchored not stored refs pending

A PRIMAL view of the Milky Way, made possible by Gaia and M2M modelling

Daisuke Kawata, Jason A. S. Hunt

arxiv:1503.01778 v1 · 2015-03-05 · 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{ZJCYTK5F4PU6VLLQPRMJGAUVYM}

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	2026-05-18T00:44:47.748570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca4589aba5e3e9eaad707c58930295c31d7606922e0f62bbb8b9e888fedad370

Aliases

arxiv: 1503.01778 · arxiv_version: 1503.01778v1 · doi: 10.48550/arxiv.1503.01778 · pith_short_12: ZJCYTK5F4PU6 · pith_short_16: ZJCYTK5F4PU6VLLQ · pith_short_8: ZJCYTK5F

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/ZJCYTK5F4PU6VLLQPRMJGAUVYM \
  | 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: ca4589aba5e3e9eaad707c58930295c31d7606922e0f62bbb8b9e888fedad370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6e86f553c642a939dfb0477ebee7943dbd5ec3eb102996bfc93c29f446d461e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-05T21:00:16Z",
    "title_canon_sha256": "05d0cfaad24761efe6a44e9213e17fcc18762945ac05ed089732dac040797de7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01778",
    "kind": "arxiv",
    "version": 1
  }
}