Pith Number

pith:ASD5X7TU

pith:2004:ASD5X7TUHUZH7CSWN7HIXIKKWQ

not attested not anchored not stored refs pending

New Infrared Emission Features and Spectral Variations in NGC 7023

J. A. Stansberry (UA), J. R. Houck (Cornell), K. D. Gordon (UA), K. I. Uchida (Cornell), K. Sellgren (OSU), M. Marengo (CfA), M. W. Werner (JPL), P. W. Morris (SSC/IPAC)

arxiv:astro-ph/0407213 v1 · 2004-07-11 · 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{ASD5X7TUHUZH7CSWN7HIXIKKWQ}

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	2026-05-18T02:40:26.306942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0487dbfe743d327f8a566fce8ba14ab43bb9bef8da91eed6d07dafaab8e4e0e2

Aliases

arxiv: astro-ph/0407213 · arxiv_version: astro-ph/0407213v1 · doi: 10.48550/arxiv.astro-ph/0407213 · pith_short_12: ASD5X7TUHUZH · pith_short_16: ASD5X7TUHUZH7CSW · pith_short_8: ASD5X7TU

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/ASD5X7TUHUZH7CSWN7HIXIKKWQ \
  | 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: 0487dbfe743d327f8a566fce8ba14ab43bb9bef8da91eed6d07dafaab8e4e0e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fca9b53c3914272c6c1d7d1612ead9cf096d9dcef2495738e6622a6d1b00b3e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-11T23:25:51Z",
    "title_canon_sha256": "d421a4034a0ca1d455bcd96358e9106a6384fe96e76a3e7adcaf3c4fda700e5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407213",
    "kind": "arxiv",
    "version": 1
  }
}