Pith Number

pith:FM3LVKHF

pith:2003:FM3LVKHFLFCPGSJ2ZUX5H2PFZB

not attested not anchored not stored refs pending

Chemical changes during star formation: high- versus low-mass YSOs

Ewine F. van Dishoeck

arxiv:astro-ph/0301518 v1 · 2003-01-25 · 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{FM3LVKHFLFCPGSJ2ZUX5H2PFZB}

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	2026-07-04T14:12:34.015508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b36baa8e55944f3493acd2fd3e9e5c85386505b515f1c67c83ad24fe0256c59

Aliases

arxiv: astro-ph/0301518 · arxiv_version: astro-ph/0301518v1 · doi: 10.48550/arxiv.astro-ph/0301518 · pith_short_12: FM3LVKHFLFCP · pith_short_16: FM3LVKHFLFCPGSJ2 · pith_short_8: FM3LVKHF

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/FM3LVKHFLFCPGSJ2ZUX5H2PFZB \
  | 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: 2b36baa8e55944f3493acd2fd3e9e5c85386505b515f1c67c83ad24fe0256c59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c6688b107690c60855d43fcdcb423391827765027c78b1c401729ded42e0e82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-25T16:11:37Z",
    "title_canon_sha256": "dce2292672f12b7dd269368c6c34d3a3f20d91a85c5d7a3620a118d9c0fc4a8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301518",
    "kind": "arxiv",
    "version": 1
  }
}