Pith Number

pith:UI75VOAK

pith:2013:UI75VOAKOWRWPO7FMPT5GDXNM2

not attested not anchored not stored refs pending

The binary Be star $\delta$ Scorpii at high spectral and spatial resolution : II The circumstellar disk evolution after the periastron

Alain Spang (LAGRANGE), Anthony Meilland (LAGRANGE, Dieter Schertl (MPIFR), Fabien Malbet (IPAG), Fabrizio Massi, Philippe Stee (LAGRANGE), UWO)

arxiv:1301.1842 v1 · 2013-01-09 · 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{UI75VOAKOWRWPO7FMPT5GDXNM2}

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	2026-05-18T01:52:14.500895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23fdab80a75a367bbe563e7d30eed66bf9971a9186319e1551305923dfaa682

Aliases

arxiv: 1301.1842 · arxiv_version: 1301.1842v1 · doi: 10.48550/arxiv.1301.1842 · pith_short_12: UI75VOAKOWRW · pith_short_16: UI75VOAKOWRWPO7F · pith_short_8: UI75VOAK

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/UI75VOAKOWRWPO7FMPT5GDXNM2 \
  | 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: a23fdab80a75a367bbe563e7d30eed66bf9971a9186319e1551305923dfaa682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec28972d2cbc52afce14ebc312a22b100107dd24013a732b220c70a553c78d5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-09T13:08:44Z",
    "title_canon_sha256": "608230f3b1285a0c19f809dcc425844ce4d1ea3e5264a0d3ae509c6e063169c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1842",
    "kind": "arxiv",
    "version": 1
  }
}