Pith Number

pith:T2DHKIM3

pith:2015:T2DHKIM3VQQZMGSWNOEGMAJB6S

not attested not anchored not stored refs pending

The initial mass function of a massive relic galaxy

Alexandre Vazdekis, Anna Ferr\'e-Mateu, Francesco La Barbera, Ignacio Mart\'in-Navarro, Ignacio Trujillo, Michael A. Beasley

arxiv:1505.01485 v2 · 2015-05-06 · 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{T2DHKIM3VQQZMGSWNOEGMAJB6S}

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	2026-05-18T02:03:54.573826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e8675219bac21961a566b88660121f4b76a55dcd09b72240e897cbac4ba091b

Aliases

arxiv: 1505.01485 · arxiv_version: 1505.01485v2 · doi: 10.48550/arxiv.1505.01485 · pith_short_12: T2DHKIM3VQQZ · pith_short_16: T2DHKIM3VQQZMGSW · pith_short_8: T2DHKIM3

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/T2DHKIM3VQQZMGSWNOEGMAJB6S \
  | 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: 9e8675219bac21961a566b88660121f4b76a55dcd09b72240e897cbac4ba091b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fa74e0556f6f3b3df55fe61dc5f3f25289507c9b5a4c24009d9143a0f372b0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-06T20:00:33Z",
    "title_canon_sha256": "fedfc2aaef8743239d7034165344f903138dbadd710d0e5e5bec16639a9322ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01485",
    "kind": "arxiv",
    "version": 2
  }
}