Pith Number

pith:PQXRGM6H

pith:2018:PQXRGM6HHHGWOYALFE7SEMSYGQ

not attested not anchored not stored refs pending

The hot white dwarf in the peculiar binary nucleus of the planetary nebula EGB6

J.W. Kruk, K. Werner, T. Rauch

arxiv:1807.11707 v1 · 2018-07-31 · 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{PQXRGM6HHHGWOYALFE7SEMSYGQ}

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.

Cited by

1 paper in Pith

Studying hot evolved stars with ultraviolet spectroscopy

Receipt and verification

First computed	2026-05-18T00:07:05.805023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c2f1333c739cd67600b293f22325834089befe87803175f1bd450c0ead115d8

Aliases

arxiv: 1807.11707 · arxiv_version: 1807.11707v1 · doi: 10.48550/arxiv.1807.11707 · pith_short_12: PQXRGM6HHHGW · pith_short_16: PQXRGM6HHHGWOYAL · pith_short_8: PQXRGM6H

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/PQXRGM6HHHGWOYALFE7SEMSYGQ \
  | 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: 7c2f1333c739cd67600b293f22325834089befe87803175f1bd450c0ead115d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1a9e9f957c9c3ff286163b6a188f22b2e941c0cde07f5a15df368334b53711b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-31T08:58:21Z",
    "title_canon_sha256": "31a415079dff2f4e5d72b28975274fa150403d0befd378a8508452d06389317f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11707",
    "kind": "arxiv",
    "version": 1
  }
}