Pith Number

pith:QIL7EJIX

pith:2018:QIL7EJIXMB6AQSBMU5GX2LMNIW

not attested not anchored not stored refs pending

Fast spectrophotometry of WD 1145+017

A. J. Mustill (Lund Obs.), B. T. G\"ansicke (Warwick), Cambridge), C. J. Manser (Warwick), D. Koester (Kiel), D. Veras (Warwick), E. Pall\'e (IAC/ULL), E. Villaver (UAM, J. Farihi (UCL, London), Madrid), M. Wyatt (IoA, O. Toloza (Warwick), P. Chote (Warwick), P. E. Tremblay (Warwick), P. Izquierdo (IAC/ULL), P. Rodr\'iguez-Gil (IAC/ULL), R. Raddi (Karl Remeis-Sternwarte), S. Eggl (JPL), S. Portegies Zwart (Leiden), T. R. Marsh (Warwick), W. Lyra (JPL/CSU)

arxiv:1808.07320 v1 · 2018-08-22 · astro-ph.SR · 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{QIL7EJIXMB6AQSBMU5GX2LMNIW}

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	2026-05-18T00:07:05.213710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8217f22517607c08482ca74d7d2d8d4583c5ca75d7fe98eb7687a8ae9729719f

Aliases

arxiv: 1808.07320 · arxiv_version: 1808.07320v1 · doi: 10.48550/arxiv.1808.07320 · pith_short_12: QIL7EJIXMB6A · pith_short_16: QIL7EJIXMB6AQSBM · pith_short_8: QIL7EJIX

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/QIL7EJIXMB6AQSBMU5GX2LMNIW \
  | 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: 8217f22517607c08482ca74d7d2d8d4583c5ca75d7fe98eb7687a8ae9729719f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085a64b8e8de33bdafaebafc66c1c98541533b01711938acb9ed73da9d5d11e4",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-22T11:31:24Z",
    "title_canon_sha256": "803402489d94804210ece557a1f31e67177ca1fe5a417285c6f6dd1e1dc8f771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07320",
    "kind": "arxiv",
    "version": 1
  }
}