Pith Number

pith:Q2PQEYLZ

pith:2015:Q2PQEYLZ65UO4ORV3LJ342FFOP

not attested not anchored not stored refs pending

I. Apples to apples $A^2$: realistic galaxy simulated catalogs and photometric redshift predictions for next-generation surveys

Bego\~na Ascaso, Narciso Ben\'itez, Simona Mei

arxiv:1503.01113 v2 · 2015-03-03 · 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{Q2PQEYLZ65UO4ORV3LJ342FFOP}

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	2026-05-18T01:33:06.165356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

869f026179f768ee3a35dad3be68a573d25cf54d1c4887af88927a07bf1b9dfd

Aliases

arxiv: 1503.01113 · arxiv_version: 1503.01113v2 · doi: 10.48550/arxiv.1503.01113 · pith_short_12: Q2PQEYLZ65UO · pith_short_16: Q2PQEYLZ65UO4ORV · pith_short_8: Q2PQEYLZ

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/Q2PQEYLZ65UO4ORV3LJ342FFOP \
  | 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: 869f026179f768ee3a35dad3be68a573d25cf54d1c4887af88927a07bf1b9dfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc4a0f8810e35a099a97faefb45718ca330ec0e33f33f71120f7052a976ea2fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-03-03T21:00:09Z",
    "title_canon_sha256": "2f78536012f99de1d53ed8727ce586682272d6d4584becabd549f6449030d68b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01113",
    "kind": "arxiv",
    "version": 2
  }
}