Pith Number

pith:N2APIZUC

pith:2009:N2APIZUC5OGKHQ3MGNYURS6D4K

not attested not anchored not stored refs pending

A dam around the Water Fountain Nebula? The dust shell of IRAS16342-3814 spatially resolved with VISIR/VLT

A. Verhoeff, C. Dijkstra, H. Van Winckel, J.W. Pel, L.B.F.M. Waters, R.F. Peletier, T. Verhoelst

arxiv:0906.0901 v1 · 2009-06-04 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2APIZUC5OGKHQ3MGNYURS6D4K}

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	2026-05-18T02:13:29.029983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e80f46682eb8ca3c36c337148cbc3e2914143a475b0a0ba1a3247869cc507e8

Aliases

arxiv: 0906.0901 · arxiv_version: 0906.0901v1 · doi: 10.48550/arxiv.0906.0901 · pith_short_12: N2APIZUC5OGK · pith_short_16: N2APIZUC5OGKHQ3M · pith_short_8: N2APIZUC

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/N2APIZUC5OGKHQ3MGNYURS6D4K \
  | 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: 6e80f46682eb8ca3c36c337148cbc3e2914143a475b0a0ba1a3247869cc507e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d9d1e86bf92d217f9c7ef132ff8cd5f57f8a19ff5084e925261f838a03b6dd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-04T12:45:21Z",
    "title_canon_sha256": "0d04d2cb7c4c0dd0c2c2445f288f6f56b066322a05b919a64a841562fcb6e5ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0901",
    "kind": "arxiv",
    "version": 1
  }
}