Pith Number

pith:ABBOUDAQ

pith:2009:ABBOUDAQE27RMZXHN5EFUISESQ

not attested not anchored not stored refs pending

Composite star formation histories of early-type galaxies from minor mergers: prospects for WFC3

J. Silk, R. M. Crockett, S. Geen, S. Kaviraj, S. Khochfar, S. Peirani (IAP)

arxiv:0912.2629 v2 · 2009-12-14 · 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{ABBOUDAQE27RMZXHN5EFUISESQ}

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	2026-05-18T02:10:23.931589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0042ea0c1026bf1666e76f485a22449426291b008d4c8162bcefd39ac9b27742

Aliases

arxiv: 0912.2629 · arxiv_version: 0912.2629v2 · doi: 10.48550/arxiv.0912.2629 · pith_short_12: ABBOUDAQE27R · pith_short_16: ABBOUDAQE27RMZXH · pith_short_8: ABBOUDAQ

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/ABBOUDAQE27RMZXHN5EFUISESQ \
  | 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: 0042ea0c1026bf1666e76f485a22449426291b008d4c8162bcefd39ac9b27742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31053e354d566ab9bd9999362081cd2be9912ca424c6cf990c6525f9d0946b10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-14T12:09:08Z",
    "title_canon_sha256": "b44276242e2dba4d99a876c259126aea2778857007bd7917d1346a62f175f59c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2629",
    "kind": "arxiv",
    "version": 2
  }
}