Pith Number

pith:7NXZU4XD

pith:2012:7NXZU4XDU5T2ZJ6QFTCQBI4L2P

not attested not anchored not stored refs pending

The interaction between feedback from active galactic nuclei and supernovae

(2) Leiden), C. M. Booth (1), Joop Schaye (2) ((1) Chicago

arxiv:1203.3802 v2 · 2012-03-16 · astro-ph.CO · 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{7NXZU4XDU5T2ZJ6QFTCQBI4L2P}

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	2026-05-18T03:27:42.899726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb6f9a72e3a767aca7d02cc500a38bd3e2456881250408c22d714f881508abf1

Aliases

arxiv: 1203.3802 · arxiv_version: 1203.3802v2 · doi: 10.48550/arxiv.1203.3802 · pith_short_12: 7NXZU4XDU5T2 · pith_short_16: 7NXZU4XDU5T2ZJ6Q · pith_short_8: 7NXZU4XD

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/7NXZU4XDU5T2ZJ6QFTCQBI4L2P \
  | 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: fb6f9a72e3a767aca7d02cc500a38bd3e2456881250408c22d714f881508abf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "953f43132a9a8ef2345de6a4b201c4fb8cdaed03e530b66d584351f96bad7fd7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-16T20:00:03Z",
    "title_canon_sha256": "1481a72b388b6ca720639c3444128d248ad2165bdb216278cba906dcdbeb196b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3802",
    "kind": "arxiv",
    "version": 2
  }
}