Pith Number

pith:PEKBG63F

pith:2019:PEKBG63FT3ZKAF3DISHLSZ5M7N

not attested not anchored not stored refs pending

The Central Star of Planetary Nebula PHR 1315-6555 and its host Galactic Open Cluster AL 1

A. A. Zijlstra, F. Lykou, Q. A. Parker, R. Shaw, V. Fragkou

arxiv:1901.04174 v2 · 2019-01-14 · 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{PEKBG63FT3ZKAF3DISHLSZ5M7N}

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	2026-05-17T23:54:15.259683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7914137b659ef2a01763448eb967acfb5a23aa5b91fcd32d6fa67c66f517dd67

Aliases

arxiv: 1901.04174 · arxiv_version: 1901.04174v2 · doi: 10.48550/arxiv.1901.04174 · pith_short_12: PEKBG63FT3ZK · pith_short_16: PEKBG63FT3ZKAF3D · pith_short_8: PEKBG63F

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/PEKBG63FT3ZKAF3DISHLSZ5M7N \
  | 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: 7914137b659ef2a01763448eb967acfb5a23aa5b91fcd32d6fa67c66f517dd67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "647630a02d6629fc210ecde354c3c2cd2f2fc2897acda3288766856851a208b8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-14T08:14:10Z",
    "title_canon_sha256": "d43c7de767ad8dfcd9330ce5c1a177bce0c79a0795c997c04bd3be469caedf61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04174",
    "kind": "arxiv",
    "version": 2
  }
}