Pith Number

pith:EPVE34UP

pith:2008:EPVE34UPBUYOHFAMSKPZQPFO35

not attested not anchored not stored refs pending

The Unorthodox Orbits of Substructure Halos

Aaron D. Ludlow, Adrian Jenkins, Amina Helmi, Carlos S. Frenk, Julio F. Navarro, Volker Springel

arxiv:0801.1127 v2 · 2008-01-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPVE34UPBUYOHFAMSKPZQPFO35}

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.

Cited by

2 papers in Pith

Hierarchical assembly in action: a galaxy tail from a disrupting group in the Virgo cluster outskirts

Receipt and verification

First computed	2026-07-04T15:44:38.398402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ea4df28f0d30e3940c929f983caedf7b78f02558df74e782fc4ea44eb64fee

Aliases

arxiv: 0801.1127 · arxiv_version: 0801.1127v2 · doi: 10.48550/arxiv.0801.1127 · pith_short_12: EPVE34UPBUYO · pith_short_16: EPVE34UPBUYOHFAM · pith_short_8: EPVE34UP

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/EPVE34UPBUYOHFAMSKPZQPFO35 \
  | 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: 23ea4df28f0d30e3940c929f983caedf7b78f02558df74e782fc4ea44eb64fee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63cb7e4c402105e532d4c4bf2fe324dacf84567375b261e631489a44bf0ed38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-08T20:12:45Z",
    "title_canon_sha256": "887f63c7b7ad1fcbb17b182f1ef0b2d7a7e84baea66c2dcfe9fcdaac44184cc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1127",
    "kind": "arxiv",
    "version": 2
  }
}