Pith Number

pith:SKFFAW4B

pith:2013:SKFFAW4BDCK6JZ5VL657RM5CTO

not attested not anchored not stored refs pending

The Radial Distribution of Star Formation in Galaxies at z~1 from the 3D-HST Survey

Arjen van der Wel, Britt Lundgren, Elisabete da Cunha, Erica June Nelson, Gabriel Brammer, Hans-Walter Rix, Ivelina Momcheva, Ivo Labbe, Joel Leja, Kasper Schmidt, Katherine Whitaker, Marijn Franx, Mariska Kriek, Mattia Fumagalli, Natascha Forster Schreiber, Pieter van Dokkum, Rosalind Skelton, Shannon Patel, Stijn Wuyts

arxiv:1301.0320 v1 · 2013-01-02 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKFFAW4BDCK6JZ5VL657RM5CTO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:52:22.116784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

928a505b811895e4e7b55fbbf8b3a29b8e4cc645257964c185c3a32deb967c58

Aliases

arxiv: 1301.0320 · arxiv_version: 1301.0320v1 · doi: 10.48550/arxiv.1301.0320 · pith_short_12: SKFFAW4BDCK6 · pith_short_16: SKFFAW4BDCK6JZ5V · pith_short_8: SKFFAW4B

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/SKFFAW4BDCK6JZ5VL657RM5CTO \
  | 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: 928a505b811895e4e7b55fbbf8b3a29b8e4cc645257964c185c3a32deb967c58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64a61f3347ab7106d7002321560a4ad065a7ba88b05402a3fd2820d6f0ec27f3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-02T21:00:00Z",
    "title_canon_sha256": "26bc378fae7684c904d11400aa6385cf7846379c794a3e0fbfa3db09d05fdf87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0320",
    "kind": "arxiv",
    "version": 1
  }
}