Pith Number

pith:TLZEPDBZ

pith:2015:TLZEPDBZNPMYNGBIMBKEAC5HWJ

not attested not anchored not stored refs pending

Spectral analysis of BD+30$^{\circ}$623, the peculiar binary central star of the planetary nebula NGC 1514

A. Aller, A. Ulla, B. Montesinos, E. Solano, L. F. Miranda

arxiv:1501.07048 v1 · 2015-01-28 · 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{TLZEPDBZNPMYNGBIMBKEAC5HWJ}

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	2026-05-18T01:41:06.207631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9af2478c396bd98698286054400ba7b27e46af0a0a7977acefc3d150f4432b3d

Aliases

arxiv: 1501.07048 · arxiv_version: 1501.07048v1 · doi: 10.48550/arxiv.1501.07048 · pith_short_12: TLZEPDBZNPMY · pith_short_16: TLZEPDBZNPMYNGBI · pith_short_8: TLZEPDBZ

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/TLZEPDBZNPMYNGBIMBKEAC5HWJ \
  | 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: 9af2478c396bd98698286054400ba7b27e46af0a0a7977acefc3d150f4432b3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85ef9b9984d290b5c6794bea435b5358c8ac107c07824f8f1cbc48d98af87988",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-28T09:59:00Z",
    "title_canon_sha256": "3329e794f2a82ba2073e0b0854797507c184f141dffd65ae5bff88a251e92bed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07048",
    "kind": "arxiv",
    "version": 1
  }
}