Pith Number

pith:QSTR5IJN

pith:2013:QSTR5IJNR5IEJEJYIRTBKI544Y

not attested not anchored not stored refs pending

Estimation of mass and cosmological constant of nearby spiral galaxies using galaxy rotation curve

B. Aryal, N. Baral, R. Pandey, U. Khanal, W. Saurer

arxiv:1307.1824 v1 · 2013-07-07 · 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{QSTR5IJNR5IEJEJYIRTBKI544Y}

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	2026-05-18T03:19:03.434827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84a71ea12d8f5044913844661523bce623ce6398e4206fd6de21bcbe565a8d99

Aliases

arxiv: 1307.1824 · arxiv_version: 1307.1824v1 · doi: 10.48550/arxiv.1307.1824 · pith_short_12: QSTR5IJNR5IE · pith_short_16: QSTR5IJNR5IEJEJY · pith_short_8: QSTR5IJN

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/QSTR5IJNR5IEJEJYIRTBKI544Y \
  | 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: 84a71ea12d8f5044913844661523bce623ce6398e4206fd6de21bcbe565a8d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44103777ce81f563779ea25aa7ab8fabe9158b319981ee89369602bce49422bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-07T00:54:57Z",
    "title_canon_sha256": "59b3d4c83e0e9bcbc755ab0d412b787e097a541d723f9c3e78215e42f86412aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1824",
    "kind": "arxiv",
    "version": 1
  }
}