Pith Number

pith:FRVUDLEG

pith:2007:FRVUDLEGGAYTWXT2MBBCS4LMWY

not attested not anchored not stored refs pending

Upper limits to the water abundance in starburst galaxies

\AA. Hjalmarson, Aa. Sandqvist, A. O. H. Oloffson, C.D. Wilson, C. M. Persson, G. Rydback, M. Fich, M. Gerin, M. Olberg, P. J. Encrenaz, R. S. Booth, T. Wiklind, U. Frisk, V. Buat

arxiv:astro-ph/0703632 v2 · 2007-03-24 · 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{FRVUDLEGGAYTWXT2MBBCS4LMWY}

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	2026-07-04T17:07:49.283052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6b41ac8630313b5e7a604229716cb6257fefb2156b2c9085a7a96a33f42c26

Aliases

arxiv: astro-ph/0703632 · arxiv_version: astro-ph/0703632v2 · doi: 10.48550/arxiv.astro-ph/0703632 · pith_short_12: FRVUDLEGGAYT · pith_short_16: FRVUDLEGGAYTWXT2 · pith_short_8: FRVUDLEG

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/FRVUDLEGGAYTWXT2MBBCS4LMWY \
  | 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: 2c6b41ac8630313b5e7a604229716cb6257fefb2156b2c9085a7a96a33f42c26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c33affe4411a7fa0676692f28dac6fe2e457bc3e0a7f23093f57faed3d0b67de",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-24T21:23:21Z",
    "title_canon_sha256": "c71dea7571bfa2ad55756dea210b4d0fcd9331bc119044153cef4d5aea19ec88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703632",
    "kind": "arxiv",
    "version": 2
  }
}