Pith Number

pith:RKA3WAAT

pith:2019:RKA3WAATHVFVSEG4G5SGETIFKT

not attested not anchored not stored refs pending

Clues on the Origin and Evolution of Massive Contact Binaries: Atmosphere Analysis of VFTS 352

Alex de Koter, Athira Menon, Frank Tramper, Hugues Sana, Joachim Puls, Jon Sundqvist, Laurent Mahy, Leonardo A. Almeida, Michael Abdul-Masih, Norbert Langer, Selma E. de Mink, Stephen Justham, Tomer Shenar

arxiv:1906.01066 v1 · 2019-06-03 · 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{RKA3WAATHVFVSEG4G5SGETIFKT}

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	2026-07-04T23:51:44.112387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a81bb00133d4b5910dc3764624d0554e3a3aa58a01b7e54961b94205b217829

Aliases

arxiv: 1906.01066 · arxiv_version: 1906.01066v1 · doi: 10.48550/arxiv.1906.01066 · pith_short_12: RKA3WAATHVFV · pith_short_16: RKA3WAATHVFVSEG4 · pith_short_8: RKA3WAAT

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/RKA3WAATHVFVSEG4G5SGETIFKT \
  | 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: 8a81bb00133d4b5910dc3764624d0554e3a3aa58a01b7e54961b94205b217829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d679f88a5b5abb10384c160dd9802f6a5dd822482652e26e8820f8b789961b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-03T20:25:34Z",
    "title_canon_sha256": "edd527bb74f4a5af30cdfa676658676acf4ea38389c393fa5463f7a152c219f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01066",
    "kind": "arxiv",
    "version": 1
  }
}