Pith Number

pith:NZG4CJDW

pith:2017:NZG4CJDW7TN5H3KS62KRFCF5UP

not attested not anchored not stored refs pending

Flickering AGN can explain the strong circumgalactic O VI observed by COS-Halos

Alexander J. Richings, Benjamin D. Oppenheimer, Joop Schaye, Marijke Segers, Robert A. Crain

arxiv:1705.07897 v2 · 2017-05-22 · astro-ph.GA · 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{NZG4CJDW7TN5H3KS62KRFCF5UP}

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	2026-05-18T00:18:41.542396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e4dc12476fcdbd3ed52f6951288bda3e03f9c333e724d0becf844449d77aa6b

Aliases

arxiv: 1705.07897 · arxiv_version: 1705.07897v2 · doi: 10.48550/arxiv.1705.07897 · pith_short_12: NZG4CJDW7TN5 · pith_short_16: NZG4CJDW7TN5H3KS · pith_short_8: NZG4CJDW

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/NZG4CJDW7TN5H3KS62KRFCF5UP \
  | 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: 6e4dc12476fcdbd3ed52f6951288bda3e03f9c333e724d0becf844449d77aa6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0290aa25a2676e27dbfa2043aa61140430a0c1e5d2bd204354ba911f7485943",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-22T18:00:00Z",
    "title_canon_sha256": "d30096d0fc0cda8670886c8e4b9a5acb1fe766dbeeb3adb0fb44d8e145b4d9cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07897",
    "kind": "arxiv",
    "version": 2
  }
}