Pith Number

pith:WQJQM67V

pith:2011:WQJQM67VWW3POJDYP5C3NC4BLU

not attested not anchored not stored refs pending

The chemical evolution of the Galactic Bulge seen through micro-lensing events

Andy Gould, Avishay Gal-Yam, Daniel Ad\'en, Jennifer Johnson, Jorge Mel\'endez, Martin Asplund, Sara Lucatello, Sofia Feltzing, Thomas Bensby

arxiv:1110.4465 v2 · 2011-10-20 · 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{WQJQM67VWW3POJDYP5C3NC4BLU}

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	2026-05-18T02:00:08.053018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b413067bf5b5b6f724787f45b68b815d304a31346cf9860ccc6a1f9de6550b93

Aliases

arxiv: 1110.4465 · arxiv_version: 1110.4465v2 · doi: 10.48550/arxiv.1110.4465 · pith_short_12: WQJQM67VWW3P · pith_short_16: WQJQM67VWW3POJDY · pith_short_8: WQJQM67V

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/WQJQM67VWW3POJDYP5C3NC4BLU \
  | 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: b413067bf5b5b6f724787f45b68b815d304a31346cf9860ccc6a1f9de6550b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69671880cd139773190b13278a7d41a2b9b9ef158e7fdf3bf6e15f3a37d34bba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-10-20T07:46:02Z",
    "title_canon_sha256": "5b935dbabe381f21147c0958f9a6d838be171d65aada238c73578ad734c5f936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4465",
    "kind": "arxiv",
    "version": 2
  }
}