Pith Number

pith:DZWRPWVE

pith:2010:DZWRPWVEWTNE7B7XAKJ6F3AMB4

not attested not anchored not stored refs pending

Metallicity Diagnostics with Infrared Fine-Structure Lines

(2) Rome Observatory, (3) Florence Univ., (4) ISAS/JAXA), Alessandro Marconi (3), Hideo Matsuhara (4) ((1) Ehime Univ., Roberto Maiolino (2), Tohru Nagao (1)

arxiv:1012.2471 v1 · 2010-12-11 · 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{DZWRPWVEWTNE7B7XAKJ6F3AMB4}

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	2026-05-18T02:04:30.069589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e6d17daa4b4da4f87f70293e2ec0c0f0563e983319b242ea2731d8eaa25dbbc

Aliases

arxiv: 1012.2471 · arxiv_version: 1012.2471v1 · doi: 10.48550/arxiv.1012.2471 · pith_short_12: DZWRPWVEWTNE · pith_short_16: DZWRPWVEWTNE7B7X · pith_short_8: DZWRPWVE

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/DZWRPWVEWTNE7B7XAKJ6F3AMB4 \
  | 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: 1e6d17daa4b4da4f87f70293e2ec0c0f0563e983319b242ea2731d8eaa25dbbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dca1959ca1ee39c41612aad7d3bf71eb41846811287b0aff033563c66e0f576",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-11T16:23:39Z",
    "title_canon_sha256": "7ba3dabbf44e58c6f8416c2a28953e17fcf25c532b547e2c52819aee136067bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2471",
    "kind": "arxiv",
    "version": 1
  }
}