Pith Number

pith:7WL73ASC

pith:2010:7WL73ASCHGFPNDZK5KNRE43KZU

not attested not anchored not stored refs pending

Upper End IMF Variations Deduced from HI-Selected Galaxies

G. R. Meurer (International Centre for Radio Astronomy Research, The Johns Hopkins University), University of Western Australia

arxiv:1008.3946 v1 · 2010-08-24 · 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{7WL73ASCHGFPNDZK5KNRE43KZU}

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	2026-05-18T04:41:54.465802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd97fd8242398af68f2aea9b12736acd0730f5289da6904353e19415f76f39be

Aliases

arxiv: 1008.3946 · arxiv_version: 1008.3946v1 · doi: 10.48550/arxiv.1008.3946 · pith_short_12: 7WL73ASCHGFP · pith_short_16: 7WL73ASCHGFPNDZK · pith_short_8: 7WL73ASC

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/7WL73ASCHGFPNDZK5KNRE43KZU \
  | 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: fd97fd8242398af68f2aea9b12736acd0730f5289da6904353e19415f76f39be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8689c7284292f06b19a14cf7ada76468942499abe062dd70f0b4b6ad7ffb26c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-24T01:04:03Z",
    "title_canon_sha256": "8fde52db0dc49c50baef91895acc9f7b580492d7d0e59e50509f579512a26aa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3946",
    "kind": "arxiv",
    "version": 1
  }
}