Pith Number

pith:KKAHIGJW

pith:2012:KKAHIGJWN4GKIMJT66SK3W5HZ4

not attested not anchored not stored refs pending

Infrared excess around nearby RGB stars and Reimers law

M. A. T. Groenewegen

arxiv:1203.4137 v2 · 2012-03-19 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKAHIGJWN4GKIMJT66SK3W5HZ4}

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	2026-05-18T01:58:06.162076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52807419366f0ca43133f7a4addba7cf01f7650ab0dd9edf4bc93af6dd5966b4

Aliases

arxiv: 1203.4137 · arxiv_version: 1203.4137v2 · doi: 10.48550/arxiv.1203.4137 · pith_short_12: KKAHIGJWN4GK · pith_short_16: KKAHIGJWN4GKIMJT · pith_short_8: KKAHIGJW

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/KKAHIGJWN4GKIMJT66SK3W5HZ4 \
  | 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: 52807419366f0ca43133f7a4addba7cf01f7650ab0dd9edf4bc93af6dd5966b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf32313972674517a08a8a5e47b60c12164a325e26758f3a35afa053941cbd6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-19T15:39:40Z",
    "title_canon_sha256": "6f8cca85bb00f948ef237ca1a3e6aa61225c178eae03359cc58d4814939635c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4137",
    "kind": "arxiv",
    "version": 2
  }
}