Pith Number

pith:YICCMVNU

pith:2011:YICCMVNU2U2VOSBIML5NSAYEML

not attested not anchored not stored refs pending

Analysis of Two Eclipsing Hot Subdwarf Binaries with a Low Mass Stellar and a Brown Dwarf Companion

B.N. Barlow, H. Drechsel, MUCHFUSS collaboration, P.F.L. Maxted, R.H. {\O}stensen, S. Geier, T. Kupfer, U. Heber, V. Schaffenroth

arxiv:1102.0502 v1 · 2011-02-02 · astro-ph.EP · 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{YICCMVNU2U2VOSBIML5NSAYEML}

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	2026-05-18T02:22:41.080405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2042655b4d53557482862fad9030462c26b806d008007d1a4410463b7295e6e

Aliases

arxiv: 1102.0502 · arxiv_version: 1102.0502v1 · doi: 10.48550/arxiv.1102.0502 · pith_short_12: YICCMVNU2U2V · pith_short_16: YICCMVNU2U2VOSBI · pith_short_8: YICCMVNU

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/YICCMVNU2U2VOSBIML5NSAYEML \
  | 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: c2042655b4d53557482862fad9030462c26b806d008007d1a4410463b7295e6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c854c2ce3181225ca6a012ed502da24a2edfe900d8c38da409f58eff90d909c4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-02T17:31:48Z",
    "title_canon_sha256": "d96bd20eb709d79d0b510db62c5a023c46a1d3d481e28d477ac30db0631cea94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0502",
    "kind": "arxiv",
    "version": 1
  }
}