Pith Number

pith:DC7MWJS4

pith:2011:DC7MWJS4RW3GI57R5CXZKDNVOJ

not attested not anchored not stored refs pending

PPAK Wide-field Integral Field Spectroscopy of NGC 628: II. Emission line abundance analysis

A. I. D\'iaz, F. F. Rosales-Ortega, R. C. Kennicutt, S. F. S\'anchez

arxiv:1104.1136 v1 · 2011-04-06 · 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{DC7MWJS4RW3GI57R5CXZKDNVOJ}

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	2026-05-18T02:02:37.112155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18becb265c8db66477f1e8af950db572597c30ebc99e78ec605b0ba4c5e32333

Aliases

arxiv: 1104.1136 · arxiv_version: 1104.1136v1 · doi: 10.48550/arxiv.1104.1136 · pith_short_12: DC7MWJS4RW3G · pith_short_16: DC7MWJS4RW3GI57R · pith_short_8: DC7MWJS4

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/DC7MWJS4RW3GI57R5CXZKDNVOJ \
  | 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: 18becb265c8db66477f1e8af950db572597c30ebc99e78ec605b0ba4c5e32333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fda6d5627dda383a9b488341bc386cae1228d1e66cbc345e985a345cd3bbaf5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-06T16:15:35Z",
    "title_canon_sha256": "2a175855cb5157aaf762d90b99d6376a25fef1ac8acacd16afa4a3fc219bcf2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1136",
    "kind": "arxiv",
    "version": 1
  }
}