Pith Number

pith:WCBI6INO

pith:2013:WCBI6INOECLCBAM5ZKQ34YSNLI

not attested not anchored not stored refs pending

Galaxy environments over cosmic time: the non-evolving radial galaxy distributions around massive galaxies since z=1.6

David A. Wake, Joel Leja, Katherine E. Whitaker, Marijn Franx, Pieter G. van Dokkum, Tomer Tal

arxiv:1302.2912 v1 · 2013-02-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCBI6INOECLCBAM5ZKQ34YSNLI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:51:42.033681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0828f21ae209620819dcaa1be624d5a17054ed83067a4907d936c6de38b2b42

Aliases

arxiv: 1302.2912 · arxiv_version: 1302.2912v1 · doi: 10.48550/arxiv.1302.2912 · pith_short_12: WCBI6INOECLC · pith_short_16: WCBI6INOECLCBAM5 · pith_short_8: WCBI6INO

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/WCBI6INOECLCBAM5ZKQ34YSNLI \
  | 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: b0828f21ae209620819dcaa1be624d5a17054ed83067a4907d936c6de38b2b42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3938466f06a7b8f6be315bf3c0d69832a9f2fabe44f839a4480db39fe8fa848",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-12T21:00:00Z",
    "title_canon_sha256": "bba469c8f4b234157f24cd7082afae856435c4fcdc104dcc2555fdee43c166fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2912",
    "kind": "arxiv",
    "version": 1
  }
}