Pith Number

pith:DRHUVT76

pith:2012:DRHUVT76U2L2LUGAJWYLOQJJHB

not attested not anchored not stored refs pending

What's in a Fermi Bubble: a quasar episode in the Galactic centre

Andrew King, Kastytis Zubovas, Sergei Nayakshin

arxiv:1201.3536 v1 · 2012-01-17 · 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{DRHUVT76U2L2LUGAJWYLOQJJHB}

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	2026-05-18T04:04:29.027186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c4f4acffea697a5d0c04db0b74129386d26f40a8e9ebc5cc716c785833cd6ac

Aliases

arxiv: 1201.3536 · arxiv_version: 1201.3536v1 · doi: 10.48550/arxiv.1201.3536 · pith_short_12: DRHUVT76U2L2 · pith_short_16: DRHUVT76U2L2LUGA · pith_short_8: DRHUVT76

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/DRHUVT76U2L2LUGAJWYLOQJJHB \
  | 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: 1c4f4acffea697a5d0c04db0b74129386d26f40a8e9ebc5cc716c785833cd6ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e2cba31c89ea9dd2d74b6528dda09585474f216ab5e5163ae7c00dfb81d62d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-17T15:53:28Z",
    "title_canon_sha256": "8124c56d2f0087b2280c141584f42a8da628851739e652e75e22fd61eda9479d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3536",
    "kind": "arxiv",
    "version": 1
  }
}