pith. sign in
Pith Number

pith:YOIXDYU3

pith:2011:YOIXDYU3TUCJLUEUDA7WS2PQDY
not attested not anchored not stored refs pending

PNe as observational constraints in chemical evolution models for NGC 6822

Leticia Carigi, Liliana Hernandez-Martinez, Manuel Peimbert, Miriam Pe\~na

arxiv:1108.5995 v1 · 2011-08-30 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YOIXDYU3TUCJLUEUDA7WS2PQDY}

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 2026-05-18T04:14:28.065288Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c39171e29b9d0495d094183f6969f01e2fcbd04fa4c9d11ee17b97ce363c374a

Aliases

arxiv: 1108.5995 · arxiv_version: 1108.5995v1 · doi: 10.48550/arxiv.1108.5995 · pith_short_12: YOIXDYU3TUCJ · pith_short_16: YOIXDYU3TUCJLUEU · pith_short_8: YOIXDYU3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YOIXDYU3TUCJLUEUDA7WS2PQDY \
  | 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: c39171e29b9d0495d094183f6969f01e2fcbd04fa4c9d11ee17b97ce363c374a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7323b1efb97dcd208a84ba5bc6d9546dc03ea19b867022b029bd919e2cd6bd0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-30T16:08:27Z",
    "title_canon_sha256": "f7e309369ba76e81e1b3e2e6dc5688c8bab22cef13d7912828b7db8a15f341e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5995",
    "kind": "arxiv",
    "version": 1
  }
}