Pith Number

pith:DYGRQTIV

pith:2012:DYGRQTIV25FWUCRTIMTUNQAX2Q

not attested not anchored not stored refs pending

Integral field spectroscopy of a sample of nearby galaxies: II. Properties of the H ii regions

A. Gil de Paz, A. I. Diaz, A. Monreal-Ibero, A. R. Lopez-Sanchez, B. Husemann, C. J. Walcher, C. Kehrig, D. Mast, E. Perez, F. F. Rosales-Ortega, J. Bland-Hawthorn, J. Iglesias-Paramo, J. M. Vilchez, R. A. Marino, R. Cid Fernandes, R. C. Kennicutt, R. Garcia-Benito, R. Gonzalez Delgado, S. Ellis, S. F. Sanchez

arxiv:1208.1117 v1 · 2012-08-06 · 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{DYGRQTIV25FWUCRTIMTUNQAX2Q}

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	2026-05-18T01:55:22.744282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e0d184d15d74b6a0a33432746c017d434c2c5e8d8c61891b75a06123629bdcc

Aliases

arxiv: 1208.1117 · arxiv_version: 1208.1117v1 · doi: 10.48550/arxiv.1208.1117 · pith_short_12: DYGRQTIV25FW · pith_short_16: DYGRQTIV25FWUCRT · pith_short_8: DYGRQTIV

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/DYGRQTIV25FWUCRTIMTUNQAX2Q \
  | 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: 1e0d184d15d74b6a0a33432746c017d434c2c5e8d8c61891b75a06123629bdcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a40d7c3bf5270ac31ffb95a34fc3c902ffbe01e9709430aed0f47f7e0d1e4e13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-06T09:06:35Z",
    "title_canon_sha256": "ab32364a9bf5a324f2c859ed92def6e406359a948e35cf568b41e92f8bdcaa9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1117",
    "kind": "arxiv",
    "version": 1
  }
}