Pith Number

pith:HXOQRJOH

pith:2005:HXOQRJOH2EFPXOJXAAPEFV7N5U

not attested not anchored not stored refs pending

Number ratios of young stellar objects in embedded clusters

(2) Dublin Institute for Advanced Studies), D. Froebrich (2) ((1) Astrophysikalisches Institut Potsdam, R. S. Klessen (1), S. Schmeja (1)

arxiv:astro-ph/0503611 v1 · 2005-03-29 · 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{HXOQRJOH2EFPXOJXAAPEFV7N5U}

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	2026-07-04T14:14:07.672686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ddd08a5c7d10afbb937001e42d7eded1ab88a039be0a943eb7ca3cec2191928

Aliases

arxiv: astro-ph/0503611 · arxiv_version: astro-ph/0503611v1 · doi: 10.48550/arxiv.astro-ph/0503611 · pith_short_12: HXOQRJOH2EFP · pith_short_16: HXOQRJOH2EFPXOJX · pith_short_8: HXOQRJOH

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/HXOQRJOH2EFPXOJXAAPEFV7N5U \
  | 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: 3ddd08a5c7d10afbb937001e42d7eded1ab88a039be0a943eb7ca3cec2191928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d33cfb35b1c0acb9b56c61c57e7a080da5b2b92da7f8a03e083fb21209d5446d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-29T09:08:32Z",
    "title_canon_sha256": "4b75e0391d76ef369e4ec5b1490a17aa0410fe4283aaf76aec8a76f792c677a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503611",
    "kind": "arxiv",
    "version": 1
  }
}