Pith Number

pith:3LPSGF77

pith:2018:3LPSGF77BVURR2JK2423AFTFWJ

not attested not anchored not stored refs pending

Time resolved spectroscopy of dust and gas from extrasolar planetesimals orbiting WD 1145+017

(2) School of Physical Sciences, 3), (3) Astrophysics Research Centre, Apartado de Correos, Belfast, Centre for Astrophysics, Dublin, Dublin City University, Ernst J.W. de Mooij (2, Glasnevin, Ireland, Marie Karjalainen (1), Neale P. Gibson (3) ((1) Isaac Newton Group of Telescopes, Physics, Queen's University Belfast, Raine Karjalainen (1), Relativity, Santa Cruz de La Palma, School of Mathematics, Spain, UK)

arxiv:1810.04657 v1 · 2018-10-10 · 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{3LPSGF77BVURR2JK2423AFTFWJ}

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	2026-05-18T00:02:30.277822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dadf2317ff0d6918e92ad735b01665b276c17e88fa02c5604ad071e775d4df2d

Aliases

arxiv: 1810.04657 · arxiv_version: 1810.04657v1 · doi: 10.48550/arxiv.1810.04657 · pith_short_12: 3LPSGF77BVUR · pith_short_16: 3LPSGF77BVURR2JK · pith_short_8: 3LPSGF77

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/3LPSGF77BVURR2JK2423AFTFWJ \
  | 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: dadf2317ff0d6918e92ad735b01665b276c17e88fa02c5604ad071e775d4df2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e19e58538e02cf3416acefec76d37479af51020a6383040575e71bcc665a17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-10-10T17:41:14Z",
    "title_canon_sha256": "42ce8761a8e8299fa0fdddbfa231b93bf4370dcceb5fa95dccb274cd575dd4ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04657",
    "kind": "arxiv",
    "version": 1
  }
}