Pith Number

pith:TLIAR4QF

pith:2004:TLIAR4QFABII7YMQLLOH65RCHE

not attested not anchored not stored refs pending

Secular evolution versus hierarchical merging: galaxy evolution along the Hubble sequence, in the field and rich environments

Francoise Combes (LERMA, Observatoire de Paris)

arxiv:astro-ph/0406306 v1 · 2004-06-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TLIAR4QFABII7YMQLLOH65RCHE}

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	2026-05-18T01:21:50.206400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ad008f20500508fe1905adc7f7622390032f663afc334663a7b0412decf0b3c

Aliases

arxiv: astro-ph/0406306 · arxiv_version: astro-ph/0406306v1 · doi: 10.48550/arxiv.astro-ph/0406306 · pith_short_12: TLIAR4QFABII · pith_short_16: TLIAR4QFABII7YMQ · pith_short_8: TLIAR4QF

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/TLIAR4QFABII7YMQLLOH65RCHE \
  | 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: 9ad008f20500508fe1905adc7f7622390032f663afc334663a7b0412decf0b3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "941ee52e2fdb2e4708513dea9c745daa1e8c705e0f0ed515e7e7003a736945a3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-13T15:47:50Z",
    "title_canon_sha256": "246f256ac4a7b553015908cfd8403f1efc3664f00bdf6631f6ac5dd3df500ad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406306",
    "kind": "arxiv",
    "version": 1
  }
}