Pith Number

pith:NFQ4JKXU

pith:2008:NFQ4JKXUTB2WQDAMLRBHM3KIRE

not attested not anchored not stored refs pending

Dust in Interstellar Clouds, Evolved Stars and Supernovae

I. Ashmore, P. Caselli, S. A. E. G. Falle, S. Van Loo, T. W. Hartquist

arxiv:0807.1465 v1 · 2008-07-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFQ4JKXUTB2WQDAMLRBHM3KIRE}

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	2026-05-18T04:33:48.627640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6961c4aaf49875680c0c5c42766d488924b4764b8d4c5df0bd4e9e5b7bf4108e

Aliases

arxiv: 0807.1465 · arxiv_version: 0807.1465v1 · doi: 10.48550/arxiv.0807.1465 · pith_short_12: NFQ4JKXUTB2W · pith_short_16: NFQ4JKXUTB2WQDAM · pith_short_8: NFQ4JKXU

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/NFQ4JKXUTB2WQDAMLRBHM3KIRE \
  | 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: 6961c4aaf49875680c0c5c42766d488924b4764b8d4c5df0bd4e9e5b7bf4108e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eeb78e09a673c568988f49ea7f42baa3cd75629ea281622034e222e0d5aebbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-09T15:20:09Z",
    "title_canon_sha256": "bfd1048a1a60354916317b6fbe6d21c455e05be058ceac56c71115946b870ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1465",
    "kind": "arxiv",
    "version": 1
  }
}