Pith Number

pith:75ZUNRAJ

pith:2011:75ZUNRAJ4KYUTB3CGC7JYXGQ3J

not attested not anchored not stored refs pending

Dense Molecular Gas around AGN: HCN/CO in NGC3227

A. Sternberg, D. Mark, R. Davies

arxiv:1111.3816 v1 · 2011-11-16 · 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{75ZUNRAJ4KYUTB3CGC7JYXGQ3J}

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	2026-05-18T01:59:32.334496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff7346c409e2b149876230be9c5cd0da6c579d52864ad06735c76b3dee484332

Aliases

arxiv: 1111.3816 · arxiv_version: 1111.3816v1 · doi: 10.48550/arxiv.1111.3816 · pith_short_12: 75ZUNRAJ4KYU · pith_short_16: 75ZUNRAJ4KYUTB3C · pith_short_8: 75ZUNRAJ

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/75ZUNRAJ4KYUTB3CGC7JYXGQ3J \
  | 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: ff7346c409e2b149876230be9c5cd0da6c579d52864ad06735c76b3dee484332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a50bac83031f32c3fd33f1517ef8753a09b03d5222277658dc6b2a875e68721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-16T14:32:37Z",
    "title_canon_sha256": "b81079465326e803394600a031146c9733800585c8824de4677d06fef58522b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3816",
    "kind": "arxiv",
    "version": 1
  }
}