Pith Number

pith:VIV4AAWU

pith:2009:VIV4AAWUZGBYVYULTIOSHT3MYC

not attested not anchored not stored refs pending

The Detection of Anomalous Dust Emission in the Nearby Galaxy NGC 6946

B. S. Mason, E. J. Murphy, E. Schinnerer, G. Helou, J. J. Condon, J. L. Turner, L. Armus, R. Beck, R.-R. Chary

arxiv:0912.2731 v1 · 2009-12-14 · astro-ph.CO · 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{VIV4AAWUZGBYVYULTIOSHT3MYC}

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	2026-05-18T02:10:23.793055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa2bc002d4c9838ae28b9a1d23cf6cc080cbab6abdb360b44af36670238202f7

Aliases

arxiv: 0912.2731 · arxiv_version: 0912.2731v1 · doi: 10.48550/arxiv.0912.2731 · pith_short_12: VIV4AAWUZGBY · pith_short_16: VIV4AAWUZGBYVYUL · pith_short_8: VIV4AAWU

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/VIV4AAWUZGBYVYULTIOSHT3MYC \
  | 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: aa2bc002d4c9838ae28b9a1d23cf6cc080cbab6abdb360b44af36670238202f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0becebab491a7a49a159edb2e067731b85995e7702f75dcb512d505960a53642",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-14T21:14:18Z",
    "title_canon_sha256": "4dbd44d9d8938940d6062c1599957d06a1940cb0ffac2cdc03b030a67ebf03e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2731",
    "kind": "arxiv",
    "version": 1
  }
}