Pith Number

pith:2D2JJ7DT

pith:2009:2D2JJ7DT7EZA7G7NK35VSYYUCS

not attested not anchored not stored refs pending

Photospheric and chromospheric activity in V405 And: An M dwarf binary with components on the two sides of the full convection limit

H. Korhonen, J. Bartus, K. Ol\'ah, K. Posztob\'anyi, K. Vida, Zs. Hurta, Zs. K\H{o}v\'ari

arxiv:0907.1011 v3 · 2009-07-06 · 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{2D2JJ7DT7EZA7G7NK35VSYYUCS}

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.

Cited by

1 paper in Pith

TESS light curves and surface activity in two low-mass eclipsing binaries: NSVS 01031772 and 2MASS J04100497+2931023

Receipt and verification

First computed	2026-07-04T15:51:54.272171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f494fc73f9320f9bed56fb59631414bf12a337e958301ac1e6181ea6a9efcd

Aliases

arxiv: 0907.1011 · arxiv_version: 0907.1011v3 · doi: 10.48550/arxiv.0907.1011 · pith_short_12: 2D2JJ7DT7EZA · pith_short_16: 2D2JJ7DT7EZA7G7N · pith_short_8: 2D2JJ7DT

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/2D2JJ7DT7EZA7G7NK35VSYYUCS \
  | 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: d0f494fc73f9320f9bed56fb59631414bf12a337e958301ac1e6181ea6a9efcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "441d498d482ecfec63c8e5a3390e455837bdfc2158a74cb5c8d9c83b4ec7464d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-06T15:23:33Z",
    "title_canon_sha256": "42a3a80a88e6c19a1ac01765172dc0e2f9c44abbc5e7cd90f177d68ce7615ec1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1011",
    "kind": "arxiv",
    "version": 3
  }
}