Pith Number

pith:5ZZ2UGSX

pith:2010:5ZZ2UGSXAHHII54IN6CESHVA5K

not attested not anchored not stored refs pending

Digging for Formational Clues in the Halos of Early-type Galaxies

Aaron J. Romanowsky

arxiv:1001.3138 v1 · 2010-01-18 · 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{5ZZ2UGSXAHHII54IN6CESHVA5K}

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	2026-05-18T02:09:42.805493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee73aa1a5701ce8477886f84491ea0eaa9a78ba99f5943403593c3f3e35b3b7a

Aliases

arxiv: 1001.3138 · arxiv_version: 1001.3138v1 · doi: 10.48550/arxiv.1001.3138 · pith_short_12: 5ZZ2UGSXAHHI · pith_short_16: 5ZZ2UGSXAHHII54I · pith_short_8: 5ZZ2UGSX

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/5ZZ2UGSXAHHII54IN6CESHVA5K \
  | 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: ee73aa1a5701ce8477886f84491ea0eaa9a78ba99f5943403593c3f3e35b3b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "510d1a7257141c493a035b2faa8437d7f499e6900cf2fbe9493203a455ac7219",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-18T21:00:06Z",
    "title_canon_sha256": "48d07d8a839e319f6f70a7ebfa681afca75f3e25518b0b7a3e6a6659097d9ced"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3138",
    "kind": "arxiv",
    "version": 1
  }
}