Pith Number

pith:YMLSM6LY

pith:2015:YMLSM6LYZLI2BOKYFA5DHT2O5H

not attested not anchored not stored refs pending

The Progenitors and Lifetimes of Planetary Nebula

Carles Badenes, Dan Maoz, Robin Ciardullo

arxiv:1502.01015 v2 · 2015-02-03 · 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{YMLSM6LYZLI2BOKYFA5DHT2O5H}

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	2026-05-18T01:41:05.050821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c317267978cad1a0b958283a33cf4ee9f1a084f2619a3d57dcc3c330ba7ecbe1

Aliases

arxiv: 1502.01015 · arxiv_version: 1502.01015v2 · doi: 10.48550/arxiv.1502.01015 · pith_short_12: YMLSM6LYZLI2 · pith_short_16: YMLSM6LYZLI2BOKY · pith_short_8: YMLSM6LY

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/YMLSM6LYZLI2BOKYFA5DHT2O5H \
  | 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: c317267978cad1a0b958283a33cf4ee9f1a084f2619a3d57dcc3c330ba7ecbe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da76201fc5db3ce11db7012ecaa1b86abad4678af0034de10a03a8358243c087",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-03T20:59:37Z",
    "title_canon_sha256": "26b6766337ccab7f9ae96f865f72ba47bc4aa4130e366e9dc147a50f3f84f742"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01015",
    "kind": "arxiv",
    "version": 2
  }
}