Pith Number

pith:4UAOG7WZ

pith:2011:4UAOG7WZKZGYE6W5S2PVBY2GWX

not attested not anchored not stored refs pending

Resolved Measurements of Xco in NGC 6946

Fumi Egusa, Jennifer Donovan Meyer, Jin Koda, Masayuki Fukuhara, Misty Carty, Nario Kuno, Nick Scoville, Rieko Momose, Robert Kennicutt, Sarah Towers, Thomas Mooney, Tsuyoshi Sawada

arxiv:1109.6272 v1 · 2011-09-28 · 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{4UAOG7WZKZGYE6W5S2PVBY2GWX}

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	2026-05-18T02:00:21.983220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e500e37ed9564d827add969f50e346b5e7bad78646c1f2df5d47ed6fe94cf6cf

Aliases

arxiv: 1109.6272 · arxiv_version: 1109.6272v1 · doi: 10.48550/arxiv.1109.6272 · pith_short_12: 4UAOG7WZKZGY · pith_short_16: 4UAOG7WZKZGYE6W5 · pith_short_8: 4UAOG7WZ

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/4UAOG7WZKZGYE6W5S2PVBY2GWX \
  | 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: e500e37ed9564d827add969f50e346b5e7bad78646c1f2df5d47ed6fe94cf6cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0d62d8560b60aac43490b744ab81c03f79d2da0f5e00d8afa1702f03c447722",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-28T17:01:06Z",
    "title_canon_sha256": "f7b508bff77cc0200845b68a6be652cc818a55a7dd0c051c71471b6c6ddd3425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6272",
    "kind": "arxiv",
    "version": 1
  }
}