Pith Number

pith:3HCXQYIV

pith:2021:3HCXQYIVWF3DRVRTBWC4IUGIEQ

not attested not anchored not stored refs pending

Shape and connectivity of groups and clusters: Impact of dynamical state and accretion history

C. Gouin, N Aghanim, T. Bonnaire

arxiv:2101.04686 v2 · 2021-01-12 · 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{3HCXQYIVWF3DRVRTBWC4IUGIEQ}

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	2026-07-05T02:57:41.477059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9c5786115b17638d6330d85c450c82405a2b66543edc3a2393f06473b8f850b

Aliases

arxiv: 2101.04686 · arxiv_version: 2101.04686v2 · doi: 10.48550/arxiv.2101.04686 · pith_short_12: 3HCXQYIVWF3D · pith_short_16: 3HCXQYIVWF3DRVRT · pith_short_8: 3HCXQYIV

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/3HCXQYIVWF3DRVRTBWC4IUGIEQ \
  | 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: d9c5786115b17638d6330d85c450c82405a2b66543edc3a2393f06473b8f850b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "751df94da62fd4c01cd0f01129ae402870648366ad11fe7840f41072b94b6260",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-01-12T19:00:01Z",
    "title_canon_sha256": "10a7e270a5e2909155e6c810dcbddfb12280551ce4b313cdbfe96f900e0ac2e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04686",
    "kind": "arxiv",
    "version": 2
  }
}