Pith Number

pith:NFV2EXDT

pith:2011:NFV2EXDTYQX4YBTZBYK27TV2VI

not attested not anchored not stored refs pending

Galaxy And Mass Assembly (GAMA): The star formation rate dependence of the stellar initial mass function

A. M. Hopkins, A. S. G. Robotham, B. F. Madore, B. Nichol, C. C. Popescu, C. J. Conselice, C. Maraston, C. S. Frenk, D. B. Zucker, D. H. Jones, D. T. Hill, D. Thomas, D. Wijesinghe, E. Cameron, E. Sadler, E. Taylor, E. van Kampen, H. R. Parkinson, I. K. Baldry, J. A. Peacock, J. Bland-Hawthorn, J. Liske, J. Loveday, K. A. Pimbblet, K. Kuijken, L. S. Kelvin, M. L. P. Gunawardhana, M. Prescott, P. Norberg, Q. A. Parker, R. G. Sharp, R. J. Tuffs, S. Brough, S. Croom, S. P. Bamford, S. P. Driver, S. Wilkins, W. J. Sutherland

arxiv:1104.2379 v1 · 2011-04-13 · 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{NFV2EXDTYQX4YBTZBYK27TV2VI}

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	2026-05-18T02:02:32.384411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

696ba25c73c42fcc06790e15afcebaaa39ccb9e8735e5425c59c682e36172d3e

Aliases

arxiv: 1104.2379 · arxiv_version: 1104.2379v1 · doi: 10.48550/arxiv.1104.2379 · pith_short_12: NFV2EXDTYQX4 · pith_short_16: NFV2EXDTYQX4YBTZ · pith_short_8: NFV2EXDT

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/NFV2EXDTYQX4YBTZBYK27TV2VI \
  | 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: 696ba25c73c42fcc06790e15afcebaaa39ccb9e8735e5425c59c682e36172d3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87e6fd703e931f071b5472efcb4048bf3308d4b0cf9b3fd6d8658ddcf82288d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-13T05:03:48Z",
    "title_canon_sha256": "b85d8465668fdabe71504f4e676480a1556ac047b4fc4738ac26f857fea5a997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2379",
    "kind": "arxiv",
    "version": 1
  }
}