Pith Number

pith:ULU6NF7Z

pith:2013:ULU6NF7ZTC4ZB753TAU5NRA43L

not attested not anchored not stored refs pending

The star-forming progenitors of massive red galaxies

Andrea Cattaneo, Avishai Dekel, Joanna Woo, Sandra M. Faber

arxiv:1301.2067 v1 · 2013-01-10 · 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{ULU6NF7ZTC4ZB753TAU5NRA43L}

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	2026-05-18T01:52:14.046191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e9e697f998b990ffbb9829d6c41cdafcc0caf139f5089818f4fd8486fb9f0f

Aliases

arxiv: 1301.2067 · arxiv_version: 1301.2067v1 · doi: 10.48550/arxiv.1301.2067 · pith_short_12: ULU6NF7ZTC4Z · pith_short_16: ULU6NF7ZTC4ZB753 · pith_short_8: ULU6NF7Z

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/ULU6NF7ZTC4ZB753TAU5NRA43L \
  | 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: a2e9e697f998b990ffbb9829d6c41cdafcc0caf139f5089818f4fd8486fb9f0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19ba07a02755343fd7b3abe50cc73bfa391f7061a0aa30e7dcc11edf42183226",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-10T10:05:36Z",
    "title_canon_sha256": "3c25c2a5f293d00376f5671125b01783a28b3cf25fa5d3a1d314e6363e33dae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2067",
    "kind": "arxiv",
    "version": 1
  }
}