Pith Number

pith:UM6HEFYW

pith:2009:UM6HEFYWEAH2COCTOLEGWNGEFF

not attested not anchored not stored refs pending

Linking pre- and proto-stellar objects in the intermediate-/high-mass star forming region IRAS 05345+3157

F. Fontani, P. Caselli, Q. Zhang, T.L. Bourke

arxiv:0903.0159 v1 · 2009-03-01 · 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{UM6HEFYWEAH2COCTOLEGWNGEFF}

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	2026-05-18T02:14:38.009148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33c721716200fa1385372c86b34c4297c3c194eae4f67a68e3e8660024c0114

Aliases

arxiv: 0903.0159 · arxiv_version: 0903.0159v1 · doi: 10.48550/arxiv.0903.0159 · pith_short_12: UM6HEFYWEAH2 · pith_short_16: UM6HEFYWEAH2COCT · pith_short_8: UM6HEFYW

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/UM6HEFYWEAH2COCTOLEGWNGEFF \
  | 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: a33c721716200fa1385372c86b34c4297c3c194eae4f67a68e3e8660024c0114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b21c3bc892060b55ddcbbf360a0627206f26a60aca1c7fc1211e61a4db4208d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-01T18:52:19Z",
    "title_canon_sha256": "3a7e1eca739a1cfa789d3893bbc8f70b885bd37119303fe98ea54982a6b9d096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0159",
    "kind": "arxiv",
    "version": 1
  }
}