Pith Number

pith:6IFTZSSH

pith:2012:6IFTZSSHPRV5JURCHWLFVJVOCR

not attested not anchored not stored refs pending

On the relationship between the H2 emission and the physical structure of planetary nebulae

G. Ramos-Larios, M. A. Guerrero, R. A. Marquez-Lugo, R. Vazquez

arxiv:1211.1620 v1 · 2012-11-07 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6IFTZSSHPRV5JURCHWLFVJVOCR}

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	2026-05-18T00:56:52.351098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f20b3cca477c6bd4d2223d965aa6ae1447150d10ce868e7f313cc85cb633db5f

Aliases

arxiv: 1211.1620 · arxiv_version: 1211.1620v1 · doi: 10.48550/arxiv.1211.1620 · pith_short_12: 6IFTZSSHPRV5 · pith_short_16: 6IFTZSSHPRV5JURC · pith_short_8: 6IFTZSSH

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/6IFTZSSHPRV5JURCHWLFVJVOCR \
  | 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: f20b3cca477c6bd4d2223d965aa6ae1447150d10ce868e7f313cc85cb633db5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad494174cb02e9a0af43bcfc704afd7fc8aa7d61cd0ca9467abf4731a78e5a01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-11-07T17:54:18Z",
    "title_canon_sha256": "218b916158fb45094c678fee8f48737a5892c656170c985530174efade73be1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1620",
    "kind": "arxiv",
    "version": 1
  }
}