Pith Number

pith:XPZB24KK

pith:2018:XPZB24KK2X5DT2K5UXLCFSHNW6

not attested not anchored not stored refs pending

A possible explanation of vanishing halo velocity bias

Pengjie Zhang (SJTU)

arxiv:1808.08739 v2 · 2018-08-27 · 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{XPZB24KK2X5DT2K5UXLCFSHNW6}

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	2026-05-17T23:56:47.374311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbf21d714ad5fa39e95da5d622c8edb7a7d2033f7b1c9ae3aff80993aeae76c4

Aliases

arxiv: 1808.08739 · arxiv_version: 1808.08739v2 · doi: 10.48550/arxiv.1808.08739 · pith_short_12: XPZB24KK2X5D · pith_short_16: XPZB24KK2X5DT2K5 · pith_short_8: XPZB24KK

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/XPZB24KK2X5DT2K5UXLCFSHNW6 \
  | 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: bbf21d714ad5fa39e95da5d622c8edb7a7d2033f7b1c9ae3aff80993aeae76c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6da8bd4cc62608a04a65621c3979e7bd63847e3092070d048cea594e326e039d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-08-27T08:57:46Z",
    "title_canon_sha256": "931cd1dad931285bce0d2820ad36e174c0a3b74ece1596010101291cff55fb97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08739",
    "kind": "arxiv",
    "version": 2
  }
}