Pith Number

pith:BLEUELYU

pith:2016:BLEUELYU5REM5HBAX5NQLDBJ4K

not attested not anchored not stored refs pending

History of the mass ejection in K 4-37: from the AGB to the evolved planetary nebula phase

(2) IA-UNAM, (3) US, Ensenada, Hermosillo, L.F. Miranda (1), L. Olgu\'in (3), Mexico, Mexico), P.F. Guill\'en (2), R. V\'azquez (2) ((1) IAA-CSIC, Spain

arxiv:1612.03107 v1 · 2016-12-09 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BLEUELYU5REM5HBAX5NQLDBJ4K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:52:13.250845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ac9422f14ec48ce9c20bf5b058c29e28520a91551cba34bbf7ca06678647ff4

Aliases

arxiv: 1612.03107 · arxiv_version: 1612.03107v1 · doi: 10.48550/arxiv.1612.03107 · pith_short_12: BLEUELYU5REM · pith_short_16: BLEUELYU5REM5HBA · pith_short_8: BLEUELYU

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/BLEUELYU5REM5HBAX5NQLDBJ4K \
  | 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: 0ac9422f14ec48ce9c20bf5b058c29e28520a91551cba34bbf7ca06678647ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91bce13b00d67312f9d8100d5f3d888ecf6dbc3727ea3b3ced61a8da0928c89b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-09T17:58:19Z",
    "title_canon_sha256": "46c7ec8b64832bbbb875e5dffe1e9c439546bdf494893617d0efc605d38a6e1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03107",
    "kind": "arxiv",
    "version": 1
  }
}