Pith Number

pith:ECB452HO

pith:2015:ECB452HOAGKB4XYYW57SX5Z5ZM

not attested not anchored not stored refs pending

Oxygen enrichment in carbon-rich planetary nebulae

Christophe Morisset, Gloria Delgado-Inglada, Gra\.zyna Stasi\'nska, Manuel Peimbert, M\'onica Rodr\'iguez

arxiv:1502.06043 v1 · 2015-02-21 · astro-ph.SR · 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{ECB452HOAGKB4XYYW57SX5Z5ZM}

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	2026-05-18T01:41:00.491184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2083cee8ee01941e5f18b77f2bf73dcb3736d037684dd5bd32e0103196026b06

Aliases

arxiv: 1502.06043 · arxiv_version: 1502.06043v1 · doi: 10.48550/arxiv.1502.06043 · pith_short_12: ECB452HOAGKB · pith_short_16: ECB452HOAGKB4XYY · pith_short_8: ECB452HO

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/ECB452HOAGKB4XYYW57SX5Z5ZM \
  | 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: 2083cee8ee01941e5f18b77f2bf73dcb3736d037684dd5bd32e0103196026b06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d42d537750953f8f512663b6f3c28a5ec9bb82276284305eeb2071acd8a50ba1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-21T00:19:21Z",
    "title_canon_sha256": "8dbecae8654062ca6549aeb98b7be9f7e93be00b60986249270ea82679868915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06043",
    "kind": "arxiv",
    "version": 1
  }
}