Pith Number

pith:4KUXM7JU

pith:2022:4KUXM7JUS7XCQGE4B6EZJQZ4FQ

not attested not anchored not stored refs pending

A new galaxy spectral energy distribution model consistent with the evolution of dust

Kazuki Y. Nishida, Ryosuke S. Asano, Takuma Nagata, Tsutomu T. Takeuchi

arxiv:2205.07591 v1 · 2022-05-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KUXM7JUS7XCQGE4B6EZJQZ4FQ}

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	2026-07-05T04:26:04.252063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2a9767d3497ee28189c0f8994c33c2c0f25595f197d91b7b1a82eb2a540640a

Aliases

arxiv: 2205.07591 · arxiv_version: 2205.07591v1 · doi: 10.48550/arxiv.2205.07591 · pith_short_12: 4KUXM7JUS7XC · pith_short_16: 4KUXM7JUS7XCQGE4 · pith_short_8: 4KUXM7JU

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/4KUXM7JUS7XCQGE4B6EZJQZ4FQ \
  | 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: e2a9767d3497ee28189c0f8994c33c2c0f25595f197d91b7b1a82eb2a540640a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3bde74257c54e17a5529b2c09459b987dd9997a8b168f098f9a2f8767685693",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-16T11:50:49Z",
    "title_canon_sha256": "adc8c9ef9a14ca6e74ff1dedd071d8c7bdf80c1243bd6e371eb6fa73d79a56ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07591",
    "kind": "arxiv",
    "version": 1
  }
}