Pith Number

pith:QZUWUG3T

pith:2012:QZUWUG3TKG6XVASLPVISS5BTOC

not attested not anchored not stored refs pending

What collisional debris can tell us about galaxies

Pierre-Alain Duc

arxiv:1205.2297 v1 · 2012-05-10 · 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{QZUWUG3TKG6XVASLPVISS5BTOC}

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	2026-05-18T03:55:56.654565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86696a1b7351bd7a824b7d5129743370832157fd80f0bace63ce9eb66be3fe8a

Aliases

arxiv: 1205.2297 · arxiv_version: 1205.2297v1 · doi: 10.48550/arxiv.1205.2297 · pith_short_12: QZUWUG3TKG6X · pith_short_16: QZUWUG3TKG6XVASL · pith_short_8: QZUWUG3T

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/QZUWUG3TKG6XVASLPVISS5BTOC \
  | 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: 86696a1b7351bd7a824b7d5129743370832157fd80f0bace63ce9eb66be3fe8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dc2ee4dc77698fa3818de8e922f6b7269c62f59429c0a0dc42e7effe023ad0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-10T15:46:55Z",
    "title_canon_sha256": "b1c3069aaa229979ba40cd81bd9735a7e1a1bf0cd8723c657492529b9d3038af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2297",
    "kind": "arxiv",
    "version": 1
  }
}