Pith Number

pith:VYPTPHKR

pith:2014:VYPTPHKR7BNZPNV2RYYFIY7GOX

not attested not anchored not stored refs pending

Binarity of the LBV HR Car

A. Mehner, Ch. Martayan, H.M.J. Boffin, J.-B. Le Bouquin, S. Guieu, Th. Rivinius, W.J. de Wit

arxiv:1408.0511 v1 · 2014-08-03 · 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{VYPTPHKR7BNZPNV2RYYFIY7GOX}

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	2026-05-18T01:42:25.939639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae1f379d51f85b97b6ba8e305463e675c7231345b3c8e66af4c9143a2d3cba13

Aliases

arxiv: 1408.0511 · arxiv_version: 1408.0511v1 · doi: 10.48550/arxiv.1408.0511 · pith_short_12: VYPTPHKR7BNZ · pith_short_16: VYPTPHKR7BNZPNV2 · pith_short_8: VYPTPHKR

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/VYPTPHKR7BNZPNV2RYYFIY7GOX \
  | 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: ae1f379d51f85b97b6ba8e305463e675c7231345b3c8e66af4c9143a2d3cba13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17ce0e86cf7753bf2191da06d5e13343dec2cde1cee5132bc5bf0ce3071e8b77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-03T16:59:23Z",
    "title_canon_sha256": "839ae2558766853008f0f23e33af743f663faed0f8119d37ec2ee18d145ff980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0511",
    "kind": "arxiv",
    "version": 1
  }
}