Pith Number

pith:Z5K7NLRZ

pith:1998:Z5K7NLRZHNN2ICLSDPB3UY5FI2

not attested not anchored not stored refs pending

FIR and C+ emissions of spiral galaxies disks, The example of NGC 6946

F. Casoli, M. Gerin, S. Sauty

arxiv:astro-ph/9806214 v1 · 1998-06-16 · 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{Z5K7NLRZHNN2ICLSDPB3UY5FI2}

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	2026-05-18T01:07:37.321854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf55f6ae393b5ba409721bc3ba63a546a30ed7bd322bb5c4f54f2152f163534c

Aliases

arxiv: astro-ph/9806214 · arxiv_version: astro-ph/9806214v1 · doi: 10.48550/arxiv.astro-ph/9806214 · pith_short_12: Z5K7NLRZHNN2 · pith_short_16: Z5K7NLRZHNN2ICLS · pith_short_8: Z5K7NLRZ

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/Z5K7NLRZHNN2ICLSDPB3UY5FI2 \
  | 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: cf55f6ae393b5ba409721bc3ba63a546a30ed7bd322bb5c4f54f2152f163534c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de4509aa48ec9b7c4543ce42bf29e1a530e57d5c38bd1ddf73d7843d5bbf268d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-16T09:01:41Z",
    "title_canon_sha256": "ffe510b0239c9a002361f983614ddb9ae217be4e9667fa4694b62159a568fac1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806214",
    "kind": "arxiv",
    "version": 1
  }
}