Pith Number

pith:ZMDBHFTE

pith:2013:ZMDBHFTELM7JPFDEIMBVPNNFZ4

not attested not anchored not stored refs pending

Molecular gas in type 2 quasars at z~0.2-0.3

A. Humphrey, B. Emonts, G. Drouart, J. Gracia Carpio, L. Colina, M. Perez Torres, M. Rodriguez, M. Villar-Maritn, P. Planesas, S. Arribas, S. Garcia Burillo

arxiv:1306.1507 v1 · 2013-06-06 · 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{ZMDBHFTELM7JPFDEIMBVPNNFZ4}

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	2026-05-18T00:49:19.597747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb061396645b3e979464430357b5a5cf2e3cae28c321e84970fe1d8a681a6ec9

Aliases

arxiv: 1306.1507 · arxiv_version: 1306.1507v1 · doi: 10.48550/arxiv.1306.1507 · pith_short_12: ZMDBHFTELM7J · pith_short_16: ZMDBHFTELM7JPFDE · pith_short_8: ZMDBHFTE

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/ZMDBHFTELM7JPFDEIMBVPNNFZ4 \
  | 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: cb061396645b3e979464430357b5a5cf2e3cae28c321e84970fe1d8a681a6ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3759e4649ba352c3b3ca79e5332b3985c6b136e750240cce781b20e4a3067139",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-06T18:54:35Z",
    "title_canon_sha256": "162e4ca39a5084376bdc4be73b99dd2afa883454d2eacb082fff7df5dabfee7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1507",
    "kind": "arxiv",
    "version": 1
  }
}