Pith Number

pith:UDBFE7FS

pith:2012:UDBFE7FSK24SKGFC6GUUMK4RPS

not attested not anchored not stored refs pending

The orbits of subdwarf B + main-sequence binaries. I: The sdB+G0 system PG 1104+243

A. Tkachenko, B. Acke, E.M. Green, E. Ringat, G. Raskin, H. Van Winckel, J. Menu, J. Vos, K. De Smedt, K. Exter, K. Smolders, P. De Cat, P. Degroote, P. Lampens, P. Neyskens, R.H. \"Ostensen, R. Lombaert, S. Bloemen, T. Masseron, T. Rauch, U. Heber

arxiv:1210.1969 v1 · 2012-10-06 · 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{UDBFE7FSK24SKGFC6GUUMK4RPS}

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	2026-05-18T03:41:04.112901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c2527cb256b92518a2f1a9462b917caea491c1797ae947f8ce8a6b86f16fa1

Aliases

arxiv: 1210.1969 · arxiv_version: 1210.1969v1 · doi: 10.48550/arxiv.1210.1969 · pith_short_12: UDBFE7FSK24S · pith_short_16: UDBFE7FSK24SKGFC · pith_short_8: UDBFE7FS

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/UDBFE7FSK24SKGFC6GUUMK4RPS \
  | 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: a0c2527cb256b92518a2f1a9462b917caea491c1797ae947f8ce8a6b86f16fa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347e73865883ecdd33ce91689c9c1e998a056358e4775f0226a3de6d986c2c4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-06T15:28:43Z",
    "title_canon_sha256": "c2ea5c049cbc41817c443723df342570443d5fd4621f9e05a381d63bbff688a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1969",
    "kind": "arxiv",
    "version": 1
  }
}