Pith Number

pith:2KILYG7X

pith:2007:2KILYG7XXSZEBT4JIA5C7KFQ6K

not attested not anchored not stored refs pending

Sulfur chemistry in the Horsehead. An interferometric view of the Horsehead PDR

D. Teyssier, E. Roueff, J. Pety, J.R. Goicoechea, M. Gerin, P. Hily-Blant

arxiv:astro-ph/0703393 v1 · 2007-03-15 · 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{2KILYG7XXSZEBT4JIA5C7KFQ6K}

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	2026-07-04T15:00:11.309859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d290bc1bf7bcb240cf89403a2fa8b0f2b41d3365f36c1c58c874cf44e781f8ae

Aliases

arxiv: astro-ph/0703393 · arxiv_version: astro-ph/0703393v1 · doi: 10.48550/arxiv.astro-ph/0703393 · pith_short_12: 2KILYG7XXSZE · pith_short_16: 2KILYG7XXSZEBT4J · pith_short_8: 2KILYG7X

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/2KILYG7XXSZEBT4JIA5C7KFQ6K \
  | 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: d290bc1bf7bcb240cf89403a2fa8b0f2b41d3365f36c1c58c874cf44e781f8ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ed31910041b26d307d48aea084bd153cda157b25a8194b76700003bdcfc145f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-15T13:50:03Z",
    "title_canon_sha256": "bb989a0ce0171e5c81e0307fb6a3fa96bde1dee483898227dd063256280ddef2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703393",
    "kind": "arxiv",
    "version": 1
  }
}