Pith Number

pith:MZ4VNDLU

pith:2008:MZ4VNDLUYDZSCCDGQWXYPPAMRD

not attested not anchored not stored refs pending

Far-Infrared Properties of Blue Compact Dwarf Galaxies Observed with AKARI/Far-Infrared Surveyor (FIS)

(2) ISAS, (3) Univ. Tokyo, (4) NAOJ), Hidehiro Kaneda (2), Hiroyuki Hirashita (1), Takashi Onaka (3), Toyoaki Suzuki (4) ((1) ASIAA

arxiv:0809.0552 v1 · 2008-09-03 · 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{MZ4VNDLUYDZSCCDGQWXYPPAMRD}

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	2026-05-18T00:52:42.369453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6679568d74c0f321086685af87bc0c88e14bd43d554cd9fa59da13d9f525415d

Aliases

arxiv: 0809.0552 · arxiv_version: 0809.0552v1 · doi: 10.48550/arxiv.0809.0552 · pith_short_12: MZ4VNDLUYDZS · pith_short_16: MZ4VNDLUYDZSCCDG · pith_short_8: MZ4VNDLU

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/MZ4VNDLUYDZSCCDGQWXYPPAMRD \
  | 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: 6679568d74c0f321086685af87bc0c88e14bd43d554cd9fa59da13d9f525415d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ff603b07b4a239e7b942241b8622f2e533a28b89a1e3e220264b5f8df2ee5b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-03T06:37:22Z",
    "title_canon_sha256": "1e5cd394576b50e37d067eda8cdcae7859dd3ceb4fc99f4bddbf57171b21a59f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0552",
    "kind": "arxiv",
    "version": 1
  }
}