Pith Number

pith:7WI5IQ3F

pith:2012:7WI5IQ3FMB3MPJL3MPZHPNES45

not attested not anchored not stored refs pending

Calcium Emission in Interacting Binary Be Stars

Daniela Kor\v{c}\'akov\'a, Jana Nemravov\'a, Kl\'ara \v{S}ejnov\'a, Lenka Kotkov\'a, Mirek \v{S}lechta, Pavel Koubsk\'y, Petr Harmanec, Petr \v{S}koda, Viktor Votruba, \v{S}\'arka Dvo\v{r}\'akov\'a

arxiv:1205.2259 v1 · 2012-05-10 · 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{7WI5IQ3FMB3MPJL3MPZHPNES45}

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	2026-05-18T03:55:56.704053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd91d443656076c7a57b63f277b492e75345e9b32c42c5b346954bd6b8ee68ba

Aliases

arxiv: 1205.2259 · arxiv_version: 1205.2259v1 · doi: 10.48550/arxiv.1205.2259 · pith_short_12: 7WI5IQ3FMB3M · pith_short_16: 7WI5IQ3FMB3MPJL3 · pith_short_8: 7WI5IQ3F

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/7WI5IQ3FMB3MPJL3MPZHPNES45 \
  | 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: fd91d443656076c7a57b63f277b492e75345e9b32c42c5b346954bd6b8ee68ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0e4b68d96394efd5847f40e74bcb071b23d9e021230a34084c000792901173f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-10T13:35:21Z",
    "title_canon_sha256": "543c1f6b6bf3e16662677b5a160eec0e3142df93dcebe9a287b840cf6139b1d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2259",
    "kind": "arxiv",
    "version": 1
  }
}