Pith Number

pith:AKHHC5M2

pith:2005:AKHHC5M2NI33UXFUGIONUOVXGX

not attested not anchored not stored refs pending

Are rotation curves in NGC 6946 and the Milky Way magnetically supported?

Eduardo Battaner & Estrella Florido

arxiv:astro-ph/0503657 v1 · 2005-03-30 · 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{AKHHC5M2NI33UXFUGIONUOVXGX}

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	2026-05-18T01:07:31.532765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

028e71759a6a37ba5cb4321cda3ab735feefec86714c1a0530a56955e810c233

Aliases

arxiv: astro-ph/0503657 · arxiv_version: astro-ph/0503657v1 · doi: 10.48550/arxiv.astro-ph/0503657 · pith_short_12: AKHHC5M2NI33 · pith_short_16: AKHHC5M2NI33UXFU · pith_short_8: AKHHC5M2

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/AKHHC5M2NI33UXFUGIONUOVXGX \
  | 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: 028e71759a6a37ba5cb4321cda3ab735feefec86714c1a0530a56955e810c233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fee92e9d3f4386494fdc0a734d59188a075ea6c5aba7d956dd3f2ba594db9d3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-30T13:45:17Z",
    "title_canon_sha256": "76189d8cc19e68e98dfeb21d8d71c8fee71f072999568bb775ad3c3ac3021b3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503657",
    "kind": "arxiv",
    "version": 1
  }
}