Pith Number

pith:QMHOPFHH

pith:2015:QMHOPFHHUWMNSFEBT5ML6IARNQ

not attested not anchored not stored refs pending

Solving the puzzle of subhalo spins

Frazer R. Pearce, Hanni Lux, Julian Onions, Stuart I. Muldrew, Weipeng Lin, Yang Wang

arxiv:1501.03280 v1 · 2015-01-14 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMHOPFHHUWMNSFEBT5ML6IARNQ}

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	2026-05-18T02:25:04.464983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

830ee794e7a598d914819f58bf20116c320d67282cc700f4e91ec1dd527beed1

Aliases

arxiv: 1501.03280 · arxiv_version: 1501.03280v1 · doi: 10.48550/arxiv.1501.03280 · pith_short_12: QMHOPFHHUWMN · pith_short_16: QMHOPFHHUWMNSFEB · pith_short_8: QMHOPFHH

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/QMHOPFHHUWMNSFEBT5ML6IARNQ \
  | 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: 830ee794e7a598d914819f58bf20116c320d67282cc700f4e91ec1dd527beed1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7263507216c750960c0389d2a612151d936c89c4c180d0830d8c0acd79b34950",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-14T08:39:09Z",
    "title_canon_sha256": "189a54479327552b3b8789ddad30bf55a705c6d72925c93a22608bede9126d28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03280",
    "kind": "arxiv",
    "version": 1
  }
}