Pith Number

pith:P3P36ITP

pith:2014:P3P36ITPFWF7MYX3AYFQZDKFGX

not attested not anchored not stored refs pending

Reproducing cosmic evolution of galaxy population from $z = 4$ to $0$

(2) Tokyo University), Ikkoh Shimizu (2), Naoki Yoshida (2) ((1) Hokkaido University, Takashi Okamoto (1)

arxiv:1404.7579 v1 · 2014-04-30 · astro-ph.GA · 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{P3P36ITPFWF7MYX3AYFQZDKFGX}

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	2026-05-18T02:43:00.470541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7edfbf226f2d8bf662fb060b0c8d4535cf2481a013a48502388b1b6838ae7b51

Aliases

arxiv: 1404.7579 · arxiv_version: 1404.7579v1 · doi: 10.48550/arxiv.1404.7579 · pith_short_12: P3P36ITPFWF7 · pith_short_16: P3P36ITPFWF7MYX3 · pith_short_8: P3P36ITP

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/P3P36ITPFWF7MYX3AYFQZDKFGX \
  | 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: 7edfbf226f2d8bf662fb060b0c8d4535cf2481a013a48502388b1b6838ae7b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f2d9fb471b20e3b09d1eb5ff70e665d27134104a6f1b04b5a8609cd89bedf40",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-30T02:51:52Z",
    "title_canon_sha256": "bd0adfa868a36cbedb7180569e2fe694d529f49a8101e2576bdf7d945ccc06da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7579",
    "kind": "arxiv",
    "version": 1
  }
}