Pith Number

pith:A2ETSOTW

pith:2011:A2ETSOTW6HY54EYEECDDOLLVA7

not attested not anchored not stored refs pending

The Relation Between Galaxy Morphology and Environment in the Local Universe: An RC3-SDSS Picture

2) ((1) Max-Planck-Insitut fuer extraterrestrische Physik, (2) Universitaets-Sternwarte Muenchen, David J.Wilman (1), Germany, Germany), Giessenbachstrasse, Muenchen, Peter Erwin (1

arxiv:1112.3990 v1 · 2011-12-16 · 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{A2ETSOTW6HY54EYEECDDOLLVA7}

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	2026-05-18T01:59:06.363638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0689393a76f1f1de13042086372d7507d0b6e2cf033e13c87f8ded59e5b6f7ac

Aliases

arxiv: 1112.3990 · arxiv_version: 1112.3990v1 · doi: 10.48550/arxiv.1112.3990 · pith_short_12: A2ETSOTW6HY5 · pith_short_16: A2ETSOTW6HY54EYE · pith_short_8: A2ETSOTW

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/A2ETSOTW6HY54EYEECDDOLLVA7 \
  | 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: 0689393a76f1f1de13042086372d7507d0b6e2cf033e13c87f8ded59e5b6f7ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2eda76f1f35e9d58467e919acb7141616c2c0b088de30a31ff1fa96aef2abbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-16T22:47:02Z",
    "title_canon_sha256": "e2e5fb4492ce41c00977553634f01836adfe88b96978f5d514a368729b05634a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3990",
    "kind": "arxiv",
    "version": 1
  }
}