Pith Number

pith:SP5MJFUL

pith:1998:SP5MJFULUWDGPNBKGVNRKIZADV

not attested not anchored not stored refs pending

The Local Luminosity Function at 25 Microns

David L. Shupe, Fan Fang, John P. Huchra, Perry B. Hacking

arxiv:astro-ph/9803149 v1 · 1998-03-13 · 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{SP5MJFULUWDGPNBKGVNRKIZADV}

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	2026-07-04T16:06:13.959171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93fac4968ba58667b42a355b1523201d4f2f294866d04460bf058c4408f211df

Aliases

arxiv: astro-ph/9803149 · arxiv_version: astro-ph/9803149v1 · doi: 10.48550/arxiv.astro-ph/9803149 · pith_short_12: SP5MJFULUWDG · pith_short_16: SP5MJFULUWDGPNBK · pith_short_8: SP5MJFUL

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/SP5MJFULUWDGPNBKGVNRKIZADV \
  | 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: 93fac4968ba58667b42a355b1523201d4f2f294866d04460bf058c4408f211df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5f40b6043809c50724947a9087264899ebbf6eef6a123bacd9465f55433fe26",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-13T00:42:46Z",
    "title_canon_sha256": "136fcaa819605c831e839a19080ea6a083417bcb6be8d3ab14a5b3a08373e5e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803149",
    "kind": "arxiv",
    "version": 1
  }
}