Pith Number

pith:4HUXWAFV

pith:2000:4HUXWAFV7ZEB3FCDOVG3OXD7DT

not attested not anchored not stored refs pending

Exploring Galaxy Evolution from Infrared Number Counts and Cosmic Infrared Background

Astronautical Sciences (5) Institute of Astronomy, Astrophysical Sciences, Haruyuki Okuda (6) ((1) Division of Particle, Hida Observatories, Hideo Matsuhara (4), Hiroyuki Hirashita (3), Kimiaki Kawara (5), Kohji Yoshikawa (3), Kyoto University (3) Department of Astronomy, Kyoto University (4) Institute of Space, Nagoya University (2) Kwasan, Tsutomu T. Takeuchi (1) Takako T. Ishii (2), University of Tokyo (6) Gunma Astronomical Observatory)

arxiv:astro-ph/0009460 v1 · 2000-09-28 · astro-ph

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

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	2026-05-18T01:40:45.547551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e97b00b5fe481d9443754db75c7f1cc133674878fefa60e9fc338f44d020af

Aliases

arxiv: astro-ph/0009460 · arxiv_version: astro-ph/0009460v1 · doi: 10.48550/arxiv.astro-ph/0009460 · pith_short_12: 4HUXWAFV7ZEB · pith_short_16: 4HUXWAFV7ZEB3FCD · pith_short_8: 4HUXWAFV

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/4HUXWAFV7ZEB3FCDOVG3OXD7DT \
  | 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: e1e97b00b5fe481d9443754db75c7f1cc133674878fefa60e9fc338f44d020af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f737012770356d8dc1d0ff83082fec4cadfaac6f2e92a8232e2c2490354a2534",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-28T13:44:52Z",
    "title_canon_sha256": "73279a2f10229f3e2d6f836926809f045441734a55778f8fac8aafd500818895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009460",
    "kind": "arxiv",
    "version": 1
  }
}