Pith Number

pith:3LAX66LM

pith:2013:3LAX66LM45JBZETHHWI2TLR4AG

not attested not anchored not stored refs pending

Star Formation in Two Luminous Spiral Galaxies

Allison Ashburn, Bruce G. Elmegreen, Christian Struve, Deidre A. Hunter, Gyula I. G. Jozsa, Teresa Wright, Vera C. Rubin

arxiv:1307.7116 v1 · 2013-07-26 · 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{3LAX66LM45JBZETHHWI2TLR4AG}

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	2026-05-18T01:48:34.080939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dac17f796ce7521c92673d91a9ae3c01ae3ae44062b74e04da71b5cf1367a07e

Aliases

arxiv: 1307.7116 · arxiv_version: 1307.7116v1 · doi: 10.48550/arxiv.1307.7116 · pith_short_12: 3LAX66LM45JB · pith_short_16: 3LAX66LM45JBZETH · pith_short_8: 3LAX66LM

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/3LAX66LM45JBZETHHWI2TLR4AG \
  | 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: dac17f796ce7521c92673d91a9ae3c01ae3ae44062b74e04da71b5cf1367a07e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f37dde17f2c7be618de29723a421fa1a7373efcd8c0960b9a8cb86f1ef2bdb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-26T18:08:29Z",
    "title_canon_sha256": "fd060361d1e52eae9368450ae00bdfa8d8cbcfd3e191a43544d3cf8309ee7387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7116",
    "kind": "arxiv",
    "version": 1
  }
}