Pith Number

pith:XPJQDNSS

pith:2016:XPJQDNSSXG7ZC5D3BNWMFLFMJR

not attested not anchored not stored refs pending

Understanding the spectrum of the very hot DA white dwarf PG0948+534

M. A. Barstow, S. P. Preval

arxiv:1610.01677 v1 · 2016-10-05 · 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{XPJQDNSSXG7ZC5D3BNWMFLFMJR}

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	2026-05-18T01:03:05.243971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbd301b652b9bf91747b0b6cc2acac4c6963f8ee69f686e9389f1d21c0088c5f

Aliases

arxiv: 1610.01677 · arxiv_version: 1610.01677v1 · doi: 10.48550/arxiv.1610.01677 · pith_short_12: XPJQDNSSXG7Z · pith_short_16: XPJQDNSSXG7ZC5D3 · pith_short_8: XPJQDNSS

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/XPJQDNSSXG7ZC5D3BNWMFLFMJR \
  | 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: bbd301b652b9bf91747b0b6cc2acac4c6963f8ee69f686e9389f1d21c0088c5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ad3acff0b179ee5266d1a70fcfbb58bf332cb953c5c25307cafea43e6e679f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-05T22:35:33Z",
    "title_canon_sha256": "a40c60683d9d173a114ea042e3d64b24670bda8c2f697d96f94a0eb4e0c1e907"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01677",
    "kind": "arxiv",
    "version": 1
  }
}