Pith Number

pith:HHKWR3TO

pith:2011:HHKWR3TOYYOBQ6GLYYM7RPDPON

not attested not anchored not stored refs pending

Star Formation Properties in Barred Galaxies(SFB). I. Ultraviolet-to-Infrared Imaging and Spectroscopic Studies of NGC 7479

Chen Cao, Hong Wu, Xian-Min Meng, Zhi-Min Zhou

arxiv:1107.0187 v2 · 2011-07-01 · 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{HHKWR3TOYYOBQ6GLYYM7RPDPON}

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	2026-05-18T04:18:52.802431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d568ee6ec61c1878cbc619f8bc6f73706d2555df46e0b7c3552cbc54c62b8b

Aliases

arxiv: 1107.0187 · arxiv_version: 1107.0187v2 · doi: 10.48550/arxiv.1107.0187 · pith_short_12: HHKWR3TOYYOB · pith_short_16: HHKWR3TOYYOBQ6GL · pith_short_8: HHKWR3TO

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/HHKWR3TOYYOBQ6GLYYM7RPDPON \
  | 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: 39d568ee6ec61c1878cbc619f8bc6f73706d2555df46e0b7c3552cbc54c62b8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57bf4f95e1abf7c607d65a95cbad0363a17f36b831bf5c42eab0e78be7cfa71f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-01T10:34:59Z",
    "title_canon_sha256": "279c219a3cf43aa278bc5e2f31bb9ab15b02715e8c1ec9e6d051e6641ddedecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0187",
    "kind": "arxiv",
    "version": 2
  }
}