Pith Number

pith:USUTHNFM

pith:2012:USUTHNFMSPQSIRRSK6JIKWJ4JQ

not attested not anchored not stored refs pending

Evolution of Massive Galaxy Structural Properties and Sizes via Star Formation In the GOODS NICMOS Survey

Alice Mortlock, Christopher J. Conselice, Fernando Buitrago, Jamie R. Ownsworth, William G. Hartley

arxiv:1207.3084 v2 · 2012-07-12 · 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{USUTHNFMSPQSIRRSK6JIKWJ4JQ}

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	2026-05-18T01:56:24.197469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a933b4ac93e1244632579285593c4c265428e0eae855cef55fabd3e3aae384

Aliases

arxiv: 1207.3084 · arxiv_version: 1207.3084v2 · doi: 10.48550/arxiv.1207.3084 · pith_short_12: USUTHNFMSPQS · pith_short_16: USUTHNFMSPQSIRRS · pith_short_8: USUTHNFM

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/USUTHNFMSPQSIRRSK6JIKWJ4JQ \
  | 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: a4a933b4ac93e1244632579285593c4c265428e0eae855cef55fabd3e3aae384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a282b8eb76fb7be7fccd7ae22c0af5c0172a9eaffc1bf22cd5b6aa60b8bfc408",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-07-12T20:00:09Z",
    "title_canon_sha256": "0e01481a97e3a456f2b86505609699063b603b4815fd83c46bc3b24391eb4f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3084",
    "kind": "arxiv",
    "version": 2
  }
}