Pith Number

pith:NFN5JUJL

pith:2015:NFN5JUJL2XPR6KPLHTZEIBX4WZ

not attested not anchored not stored refs pending

Squeezed between shells? On the origin of the Lupus I molecular cloud. APEX/LABOCA, Herschel, and Planck observations

Andreas Burkert, Benjamin Gaczkowski, Daniel Kroell, Judith Ngoumou, Katharina Fierlinger, Martin G. H. Krause, Roland Diehl, Thomas Preibisch, Thomas Stanke, Veronica Roccatagliata

arxiv:1509.07368 v1 · 2015-09-24 · astro-ph.SR · 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{NFN5JUJL2XPR6KPLHTZEIBX4WZ}

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	2026-05-18T01:26:41.367890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

695bd4d12bd5df1f29eb3cf24406fcb67ba25e752b3fc65c814be036aeed1706

Aliases

arxiv: 1509.07368 · arxiv_version: 1509.07368v1 · doi: 10.48550/arxiv.1509.07368 · pith_short_12: NFN5JUJL2XPR · pith_short_16: NFN5JUJL2XPR6KPL · pith_short_8: NFN5JUJL

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/NFN5JUJL2XPR6KPLHTZEIBX4WZ \
  | 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: 695bd4d12bd5df1f29eb3cf24406fcb67ba25e752b3fc65c814be036aeed1706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01bad03afd8749e9ed3b62a81d96329414373d9d9d2187fd7c787a874d3bf479",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-24T13:39:16Z",
    "title_canon_sha256": "d53ddd6eb1e30183cb4685d61a652f558115ed8d9f47ba51efbcb2e96d6d584d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07368",
    "kind": "arxiv",
    "version": 1
  }
}