Pith Number

pith:DPLP6RRM

pith:2016:DPLP6RRM6ZUWDGNDRY3SROXNJ7

not attested not anchored not stored refs pending

Spitzer observations of extragalactic H II regions - III. NGC 6822 and the hot star, H II region connection

Adalbert W. A. Pauldrach, Ian A. McNabb, Janet P. Simpson, Johann A. Weber, Justin Kader, Reginald J. Dufour, Robert H. Rubin, Sean W. J. Colgan

arxiv:1603.08892 v2 · 2016-03-29 · 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{DPLP6RRM6ZUWDGNDRY3SROXNJ7}

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	2026-05-18T01:16:19.982729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd6ff462cf6696199a38e3728baed4fffe83f3a13d584c6dc0f91ea66393ab3

Aliases

arxiv: 1603.08892 · arxiv_version: 1603.08892v2 · doi: 10.48550/arxiv.1603.08892 · pith_short_12: DPLP6RRM6ZUW · pith_short_16: DPLP6RRM6ZUWDGND · pith_short_8: DPLP6RRM

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/DPLP6RRM6ZUWDGNDRY3SROXNJ7 \
  | 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: 1bd6ff462cf6696199a38e3728baed4fffe83f3a13d584c6dc0f91ea66393ab3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f2ed115e39a9582a14c78b456a5350f1a4922ad8bdf581297e32b33a23a9275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-29T19:19:25Z",
    "title_canon_sha256": "3e0c7bf6d78daaa76a739252bb64c57ad49ab011fb48d2c2fbf4a5828b5156f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08892",
    "kind": "arxiv",
    "version": 2
  }
}