Pith Number

pith:FK3QUMJN

pith:2017:FK3QUMJNQ4MM7SO7TULOVMXA6D

not attested not anchored not stored refs pending

Evidence of a Bottom-heavy Initial Mass Function in Massive Early-type Galaxies from Near-infrared Metal Lines

(2) Swinburne, 3), (3) CAASTRO, (4) Carnegie Observatories, 5), (5) Penn State), Andrew J. Monson (4, David J. Lagattuta (1), Duncan A. Forbes (2), Jeremy R. Mould (2, Nicola Pastorello (2), S. Eric Persson (4) ((1) CRAL Lyon

arxiv:1708.04621 v1 · 2017-08-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FK3QUMJNQ4MM7SO7TULOVMXA6D}

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	2026-05-18T00:34:46.485702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ab70a312d8718cfc9df9d16eab2e0f0fadaae344d7e1b5552f4827d287e908d

Aliases

arxiv: 1708.04621 · arxiv_version: 1708.04621v1 · doi: 10.48550/arxiv.1708.04621 · pith_short_12: FK3QUMJNQ4MM · pith_short_16: FK3QUMJNQ4MM7SO7 · pith_short_8: FK3QUMJN

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/FK3QUMJNQ4MM7SO7TULOVMXA6D \
  | 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: 2ab70a312d8718cfc9df9d16eab2e0f0fadaae344d7e1b5552f4827d287e908d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86a22ef4d565b7f72874dce25bd91bd7c3b9f64e4003a50c71aa72bf252adb6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-15T18:00:01Z",
    "title_canon_sha256": "ba40a89e4768f752fe95865bff31dca587c45c43e27aeb771cf9e83b0440fe29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04621",
    "kind": "arxiv",
    "version": 1
  }
}