Pith Number

pith:PPNG3HKJ

pith:2017:PPNG3HKJ2J2VHB7V6APN6TFYXD

not attested not anchored not stored refs pending

Once in a blue moon: detection of 'bluing' during debris transits in the white dwarf WD1145+017

C. Arnold, D. Maoz, H. Ku\v{c}\'akov\'a, J. D. Armstrong, K. Su, L. Vanzi, M. C. P. Bours, N. Gerard, N. Hallakoun, P. Kerry, P. Ku\v{s}nir\'ak, P. Pravec, S. G. Parsons, S. Rengaswamy, S. Sharma, S. Xu, T. R. Marsh, V. D. Ivanov, V. S. Dhillon

arxiv:1702.05483 v2 · 2017-02-17 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPNG3HKJ2J2VHB7V6APN6TFYXD}

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	2026-05-18T00:46:24.936465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bda6d9d49d2755387f5f01edf4cb8b8e1885780c1c4271ad5d7253b62c01cb8

Aliases

arxiv: 1702.05483 · arxiv_version: 1702.05483v2 · doi: 10.48550/arxiv.1702.05483 · pith_short_12: PPNG3HKJ2J2V · pith_short_16: PPNG3HKJ2J2VHB7V · pith_short_8: PPNG3HKJ

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/PPNG3HKJ2J2VHB7V6APN6TFYXD \
  | 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: 7bda6d9d49d2755387f5f01edf4cb8b8e1885780c1c4271ad5d7253b62c01cb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa11df549ca07b3da9ebfcbc32f87b95925efdb3dba9739159a13ac2766423a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-02-17T19:00:00Z",
    "title_canon_sha256": "70a42139060df55f7af9717a2facbc7d465b2986cbb26eeda56e6ac205f6b594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05483",
    "kind": "arxiv",
    "version": 2
  }
}