Pith Number

pith:EZVWEX2L

pith:2010:EZVWEX2L6B6UKYR3FJNDRYRM6K

not attested not anchored not stored refs pending

Star formation efficiency in the Barred Spiral Galaxy NGC 4303

Jin Koda, Rieko Momose, Sachiko K. Okumura, Tsuyoshi Sawada

arxiv:1011.4508 v1 · 2010-11-18 · 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{EZVWEX2L6B6UKYR3FJNDRYRM6K}

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	2026-05-18T04:35:06.140055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

266b625f4bf07d45623b2a5a38e22cf2b0e95e11668957eda649a1a243eb49e9

Aliases

arxiv: 1011.4508 · arxiv_version: 1011.4508v1 · doi: 10.48550/arxiv.1011.4508 · pith_short_12: EZVWEX2L6B6U · pith_short_16: EZVWEX2L6B6UKYR3 · pith_short_8: EZVWEX2L

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/EZVWEX2L6B6UKYR3FJNDRYRM6K \
  | 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: 266b625f4bf07d45623b2a5a38e22cf2b0e95e11668957eda649a1a243eb49e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c06eefb4c8fc3d648f8a721acc02c52b31cd3108dacf6a0df5110b0e4d654e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-18T02:32:24Z",
    "title_canon_sha256": "9e46fe672f94408518fd9512a6df4ca3a1ee2ab5a90a3b06ea7d7bf2a39b0f0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4508",
    "kind": "arxiv",
    "version": 1
  }
}