Pith Number

pith:BLPYN2MT

pith:2010:BLPYN2MTYOSEL6EKY6FUAKIEJA

not attested not anchored not stored refs pending

Does environment affect the star formation histories of early-type galaxies?

((1) MSSL/UCL, (2) ARI/Heidelberg, (3) King's College London), Anna Pasquali (2), Ben Rogers (3), Ignacio Ferreras (1)

arxiv:1012.0310 v1 · 2010-12-01 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BLPYN2MTYOSEL6EKY6FUAKIEJA}

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	2026-05-18T02:04:36.293756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0adf86e993c3a445f88ac78b40290448394e231d3a3264cd433d2446ae0e78c2

Aliases

arxiv: 1012.0310 · arxiv_version: 1012.0310v1 · doi: 10.48550/arxiv.1012.0310 · pith_short_12: BLPYN2MTYOSE · pith_short_16: BLPYN2MTYOSEL6EK · pith_short_8: BLPYN2MT

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/BLPYN2MTYOSEL6EKY6FUAKIEJA \
  | 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: 0adf86e993c3a445f88ac78b40290448394e231d3a3264cd433d2446ae0e78c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f266b8d2192148fb4b70f987747e9519fd97e1d46f96a9a2db9892a017dae6fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-01T21:00:05Z",
    "title_canon_sha256": "52494d3cd7eb47ac79887a6f540280c70ec288791fff28986cea938e6662a9b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0310",
    "kind": "arxiv",
    "version": 1
  }
}