Pith Number

pith:42IZ24C2

pith:2013:42IZ24C25PHYZ7S2EJRUYNCM7P

not attested not anchored not stored refs pending

The DiskMass Survey. VII. The distribution of luminous and dark matter in spiral galaxies

David R. Andersen, Kyle B. Westfall, Marc A. W. Verheijen, Matthew A. Bershady, Rob A. Swaters, Thomas P. K. Martinsson

arxiv:1308.0336 v1 · 2013-08-01 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42IZ24C25PHYZ7S2EJRUYNCM7P}

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	2026-05-18T01:48:25.276416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6919d705aebcf8cfe5a22634c344cfbffd89be57defe45e593d34a8ce65e3fe

Aliases

arxiv: 1308.0336 · arxiv_version: 1308.0336v1 · doi: 10.48550/arxiv.1308.0336 · pith_short_12: 42IZ24C25PHY · pith_short_16: 42IZ24C25PHYZ7S2 · pith_short_8: 42IZ24C2

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/42IZ24C25PHYZ7S2EJRUYNCM7P \
  | 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: e6919d705aebcf8cfe5a22634c344cfbffd89be57defe45e593d34a8ce65e3fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d0ad855528ae59d027ea4eeaffef0cc449985a304d8208ae70ba4b1e3000996",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-01T20:00:05Z",
    "title_canon_sha256": "e9394452f46b7b54fac6de9c8b7b2a127884ff1c04b32c3e13990a4678688764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0336",
    "kind": "arxiv",
    "version": 1
  }
}