Pith. sign in
Pith Number

pith:LXD2VWK4

pith:2021:LXD2VWK4UU4TKRSIMANS6H73HD
not attested not anchored not stored refs pending

HST/WFC3 Complete Phase-resolved Spectroscopy of White Dwarf-Brown Dwarf Binaries WD 0137 and EPIC 2122

Ben W. P. Lew, D\'aniel Apai, Joshua D. Lothringer, L. C. Mayorga, Mark S. Marley, Sarah L. Casewell, Siyi Xu, Vivien Parmentier, Xianyu Tan, Yifan Zhou

arxiv:2110.10162 v1 · 2021-10-19 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LXD2VWK4UU4TKRSIMANS6H73HD}

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 2026-07-05T03:45:51.663140Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5dc7aad95ca539354648601b2f1ffb38ff1162b2bf98a1385dfa3f9e54c44742

Aliases

arxiv: 2110.10162 · arxiv_version: 2110.10162v1 · doi: 10.48550/arxiv.2110.10162 · pith_short_12: LXD2VWK4UU4T · pith_short_16: LXD2VWK4UU4TKRSI · pith_short_8: LXD2VWK4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LXD2VWK4UU4TKRSIMANS6H73HD \
  | 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: 5dc7aad95ca539354648601b2f1ffb38ff1162b2bf98a1385dfa3f9e54c44742
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7a64a4ec01734b9d9ede4df63ba4a18b872e46880a306a6ad0b2ecd2358414ab",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-10-19T18:00:00Z",
    "title_canon_sha256": "41699fa20de40a8e9bab2187baa0cdf3f1b62f27d7cd3e0dc4bdce870047c1c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.10162",
    "kind": "arxiv",
    "version": 1
  }
}