Pith Number

pith:OA7KEJOW

pith:2019:OA7KEJOWFDNMF7E4GJ6G3Z4D4S

not attested not anchored not stored refs pending

The Eclipsing Accreting White Dwarf Z Chameleontis as Seen with TESS

C. Knigge, C. Littlefield, J.M.C. Court, M. Kennedy, N. Castro Segura, P. Garnavich, P. Szkody, S. Rappaport, S. Scaringi, T. Maccarone, Z. Zhan

arxiv:1907.08458 v1 · 2019-07-19 · astro-ph.HE · 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{OA7KEJOWFDNMF7E4GJ6G3Z4D4S}

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	2026-07-04T23:51:46.109263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

703ea225d628dac2fc9c327c6de783e4a26975b83fb538780d0202274d51ad87

Aliases

arxiv: 1907.08458 · arxiv_version: 1907.08458v1 · doi: 10.48550/arxiv.1907.08458 · pith_short_12: OA7KEJOWFDNM · pith_short_16: OA7KEJOWFDNMF7E4 · pith_short_8: OA7KEJOW

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/OA7KEJOWFDNMF7E4GJ6G3Z4D4S \
  | 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: 703ea225d628dac2fc9c327c6de783e4a26975b83fb538780d0202274d51ad87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bff53a01210aa2dc9368afefdd16b8567603fa5e602caae9919e9863a9be5dec",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-07-19T10:59:23Z",
    "title_canon_sha256": "04f89edc46f25a3b0c05d5f3d5c108c2d47442c78003d5a55f4432e1f81dfe29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08458",
    "kind": "arxiv",
    "version": 1
  }
}