Pith Number

pith:NYWQIDRP

pith:2009:NYWQIDRPZ6LW25SC4JDQ427UBP

not attested not anchored not stored refs pending

Evolution and chemical yields of AGB stars: effects of low-temperature opacities

Paola Marigo, Paolo Ventura

arxiv:0907.3204 v1 · 2009-07-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NYWQIDRPZ6LW25SC4JDQ427UBP}

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	2026-05-18T02:12:55.893039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e2d040e2fcf976d7642e2470e6bf40be3a7ae16791d4e217faf11662e49e991

Aliases

arxiv: 0907.3204 · arxiv_version: 0907.3204v1 · doi: 10.48550/arxiv.0907.3204 · pith_short_12: NYWQIDRPZ6LW · pith_short_16: NYWQIDRPZ6LW25SC · pith_short_8: NYWQIDRP

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/NYWQIDRPZ6LW25SC4JDQ427UBP \
  | 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: 6e2d040e2fcf976d7642e2470e6bf40be3a7ae16791d4e217faf11662e49e991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4de9cb2053f8b43354cb1e1dff748ee181b4f5969ed37cb0f89f4d1815a0aa4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-18T10:32:48Z",
    "title_canon_sha256": "eeb9bdee3ad0ad7abcf2b8ff244c5c4499d36189dc18919dbbd3d1ed63e6770a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3204",
    "kind": "arxiv",
    "version": 1
  }
}