Pith Number

pith:NDZ4CBAK

pith:2014:NDZ4CBAKF6ECLTOMYH36HLGBTE

not attested not anchored not stored refs pending

Is There a Maximum Star Formation Rate in High-Redshift Galaxies?

A.J. Barger, C.-C. Chen, C.M. Casey, D.B. Sanders, F.N. Owen, J.P. Williams, L.L. Cowie, N. Lee, W.-H. Wang

arxiv:1401.0745 v2 · 2014-01-03 · 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{NDZ4CBAKF6ECLTOMYH36HLGBTE}

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	2026-05-18T02:32:14.254607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68f3c1040a2f8825cdccc1f7e3acc19900f8b6d56a6f3d1803bb46b4e52ab515

Aliases

arxiv: 1401.0745 · arxiv_version: 1401.0745v2 · doi: 10.48550/arxiv.1401.0745 · pith_short_12: NDZ4CBAKF6EC · pith_short_16: NDZ4CBAKF6ECLTOM · pith_short_8: NDZ4CBAK

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/NDZ4CBAKF6ECLTOMYH36HLGBTE \
  | 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: 68f3c1040a2f8825cdccc1f7e3acc19900f8b6d56a6f3d1803bb46b4e52ab515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4757a71fad629e2d44d01b658989530c3f915dff220a190e57b69f7614b181d4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-03T22:24:20Z",
    "title_canon_sha256": "2064c7ae28b0711436123babb06412e8f258e441a20ea542ff4f48946e5d46d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0745",
    "kind": "arxiv",
    "version": 2
  }
}