Pith Number

pith:QV4UQ6YJ

pith:2019:QV4UQ6YJD3IEM55KEDXTYR3LTP

not attested not anchored not stored refs pending

TESS observations of the asynchronous polar CD Ind: mapping the changing accretion geometry

Andrew Beardmore, David A.H. Buckley, Gavin Ramsay, Graham Wynn, Pasi Hakala, Stephen B. Potter

arxiv:1904.02949 v1 · 2019-04-05 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QV4UQ6YJD3IEM55KEDXTYR3LTP}

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	2026-05-17T23:48:29.534424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8579487b091ed04677aa20ef3c476b9bf633e5c7571e346ea64c4ecb95d52ab4

Aliases

arxiv: 1904.02949 · arxiv_version: 1904.02949v1 · doi: 10.48550/arxiv.1904.02949 · pith_short_12: QV4UQ6YJD3IE · pith_short_16: QV4UQ6YJD3IEM55K · pith_short_8: QV4UQ6YJ

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/QV4UQ6YJD3IEM55KEDXTYR3LTP \
  | 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: 8579487b091ed04677aa20ef3c476b9bf633e5c7571e346ea64c4ecb95d52ab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "856dbd40385f38014c7dfd941f360913a7a1256a6bb2d2398265cce6a437753c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-05T09:17:38Z",
    "title_canon_sha256": "90464c14ce1264f0928111be11412b40fefd23aa6498d93263010401284a4f58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02949",
    "kind": "arxiv",
    "version": 1
  }
}