Pith Number

pith:AV4WMZ6A

pith:2012:AV4WMZ6ASRJ7KVMPTK4HAYVVNC

not attested not anchored not stored refs pending

Evolution of the baryon fraction in the Local Group: accretion versus feedback at low and high z

Christophe Pichon (IAP, Intae Jung (IAP), IPHT), Joe Silk (IAP), S\'ebastien Peirani (IAP)

arxiv:1205.4694 v2 · 2012-05-21 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AV4WMZ6ASRJ7KVMPTK4HAYVVNC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:57:24.922051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05796667c09453f5558f9ab87062b568a5a681e171e87d33cbe35d319b615317

Aliases

arxiv: 1205.4694 · arxiv_version: 1205.4694v2 · doi: 10.48550/arxiv.1205.4694 · pith_short_12: AV4WMZ6ASRJ7 · pith_short_16: AV4WMZ6ASRJ7KVMP · pith_short_8: AV4WMZ6A

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/AV4WMZ6ASRJ7KVMPTK4HAYVVNC \
  | 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: 05796667c09453f5558f9ab87062b568a5a681e171e87d33cbe35d319b615317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a19ccc538a59533abadf44549a5b1048a77e39437d035b0d164d02258594d3ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-21T19:10:06Z",
    "title_canon_sha256": "621eb58de086d8a32fe429e35aa641fce67b0358788bc54b8c7be14d48c01e47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4694",
    "kind": "arxiv",
    "version": 2
  }
}