Pith Number

pith:4PQ4VNPN

pith:2011:4PQ4VNPNF4JCHBXMNR3YFZBHAH

not attested not anchored not stored refs pending

Multi-line spectral imaging of dense cores in the Lupus molecular cloud

Leonardo Testi, Micheal G. Burton, Milena Benedettini, Paola Caselli, Serena Viti, Sergio Molinari, Stefano Pezzuto

arxiv:1108.4809 v1 · 2011-08-24 · 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{4PQ4VNPNF4JCHBXMNR3YFZBHAH}

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	2026-05-18T02:00:48.794341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e1cab5ed2f122386ec6c7782e42701cafda6cfaaafc4e31e07a3bada8977dc

Aliases

arxiv: 1108.4809 · arxiv_version: 1108.4809v1 · doi: 10.48550/arxiv.1108.4809 · pith_short_12: 4PQ4VNPNF4JC · pith_short_16: 4PQ4VNPNF4JCHBXM · pith_short_8: 4PQ4VNPN

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/4PQ4VNPNF4JCHBXMNR3YFZBHAH \
  | 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: e3e1cab5ed2f122386ec6c7782e42701cafda6cfaaafc4e31e07a3bada8977dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e280262166411c80553148c86836755b121a50967f9a566b33b08e8fe7e27436",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-24T11:00:56Z",
    "title_canon_sha256": "b703b927be841b8125ff60ad3bd5e8f68e064d458f38386dd5456d266bf40681"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4809",
    "kind": "arxiv",
    "version": 1
  }
}