Pith Number

pith:KN46HHMR

pith:2014:KN46HHMRKADAENXYZDFCZQTPFN

not attested not anchored not stored refs pending

Spiral Density Waves in M81. II. Hydrodynamic Simulations for Gas Response to Stellar Spiral Density Waves

Chien-Chang Feng, Hsiang-Hsu Wang, Lien-Hsuan Lin, Ronald E. Taam, Wing-Kit Lee

arxiv:1412.6203 v1 · 2014-12-19 · 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{KN46HHMRKADAENXYZDFCZQTPFN}

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	2026-05-18T01:41:16.572221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5379e39d9150060236f8c8ca2cc26f2b5baa992b1f01dbe4e0c5915a03a61283

Aliases

arxiv: 1412.6203 · arxiv_version: 1412.6203v1 · doi: 10.48550/arxiv.1412.6203 · pith_short_12: KN46HHMRKADA · pith_short_16: KN46HHMRKADAENXY · pith_short_8: KN46HHMR

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/KN46HHMRKADAENXYZDFCZQTPFN \
  | 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: 5379e39d9150060236f8c8ca2cc26f2b5baa992b1f01dbe4e0c5915a03a61283

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e1a89e203dee82142d64951b1613936488ec41c78c245de0e56e48fa9fe5bfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-19T03:34:24Z",
    "title_canon_sha256": "27451f227e83a1f11206398e5bb0a3fab69dd32b380f0e431e982843ab961d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6203",
    "kind": "arxiv",
    "version": 1
  }
}