Pith Number

pith:HXWN34WS

pith:2009:HXWN34WSALQFDGHOW7TGTP3BDJ

not attested not anchored not stored refs pending

The Spitzer c2d Survey of Nearby Dense Cores VII: Chemistry and Dynamics in L43

Jeong-Eun Lee, Jo-Hsin Chen, Neal J. Evans II, Tyler L. Bourke

arxiv:0909.3828 v1 · 2009-09-21 · 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{HXWN34WSALQFDGHOW7TGTP3BDJ}

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	2026-05-18T02:34:29.366263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3decddf2d202e05198eeb7e669bf611a4e3a4c2f9e3e10b4b47fcddd732b5bf2

Aliases

arxiv: 0909.3828 · arxiv_version: 0909.3828v1 · doi: 10.48550/arxiv.0909.3828 · pith_short_12: HXWN34WSALQF · pith_short_16: HXWN34WSALQFDGHO · pith_short_8: HXWN34WS

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/HXWN34WSALQFDGHOW7TGTP3BDJ \
  | 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: 3decddf2d202e05198eeb7e669bf611a4e3a4c2f9e3e10b4b47fcddd732b5bf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dba07a1c038ecea27f81e8da3d87d98839c74193ea1813047fc51498f31c643",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-21T18:09:36Z",
    "title_canon_sha256": "1109aa00ca2e8c9461ef6f7eabb68a397f1ac657673d365bd5bc215b6e4575fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3828",
    "kind": "arxiv",
    "version": 1
  }
}