Pith Number

pith:VKHFSHUN

pith:2009:VKHFSHUNLWRIDZWMMP6HKKALTP

not attested not anchored not stored refs pending

High mass star formation in normal late-type galaxies: observational constraints to the IMF

A. Boselli, G. Gavazzi, L. Cortese, S. Boissier, T.M. Hughes, V. Buat

arxiv:0910.3521 v2 · 2009-10-19 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKHFSHUNLWRIDZWMMP6HKKALTP}

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	2026-05-18T02:34:18.351801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa8e591e8d5da281e6cc63fc75280b9be01b64ff8f20d799ab0ae24335842d44

Aliases

arxiv: 0910.3521 · arxiv_version: 0910.3521v2 · doi: 10.48550/arxiv.0910.3521 · pith_short_12: VKHFSHUNLWRI · pith_short_16: VKHFSHUNLWRIDZWM · pith_short_8: VKHFSHUN

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/VKHFSHUNLWRIDZWMMP6HKKALTP \
  | 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: aa8e591e8d5da281e6cc63fc75280b9be01b64ff8f20d799ab0ae24335842d44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5d73c763bbbdb566ebe88d222e9d8742c3726986036e7ccb2ca8a9e829c3393",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-19T11:05:56Z",
    "title_canon_sha256": "8afc6b69307ef0cc3b79fd4220ffe53995335a83c0491925c1f69788e30d0f11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3521",
    "kind": "arxiv",
    "version": 2
  }
}