Pith Number

pith:D2P5AEI4

pith:2017:D2P5AEI46SNLFFE62KXVUBKCSZ

not attested not anchored not stored refs pending

A Hierarchical Model for the Ages of Galactic Halo White Dwarfs

Aaron Webster, David A. van Dyk, David Stenning, Elliot Robinson, Shijing Si, Ted von Hippel

arxiv:1703.09164 v2 · 2017-03-27 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2P5AEI46SNLFFE62KXVUBKCSZ}

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	2026-05-18T00:13:07.696261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e9fd0111cf49ab2949ed2af5a0542965eb0e3101e9bf844c10280fce513f7d5

Aliases

arxiv: 1703.09164 · arxiv_version: 1703.09164v2 · doi: 10.48550/arxiv.1703.09164 · pith_short_12: D2P5AEI46SNL · pith_short_16: D2P5AEI46SNLFFE6 · pith_short_8: D2P5AEI4

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/D2P5AEI46SNLFFE62KXVUBKCSZ \
  | 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: 1e9fd0111cf49ab2949ed2af5a0542965eb0e3101e9bf844c10280fce513f7d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a024e296d686da8fbda653eebdb8f68f08ad49e9db0aba62441fd3848e343bec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-03-27T16:16:09Z",
    "title_canon_sha256": "10fcc9db2e45b345efb4f7038428eb85b222267ceda3917c18f994f1e7873417"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09164",
    "kind": "arxiv",
    "version": 2
  }
}