Pith Number

pith:IEKXAPIZ

pith:2012:IEKXAPIZKLC7ZR3RIS2IASA6IT

not attested not anchored not stored refs pending

The Disk Population of the Upper Scorpius Association

E. E. Mamajek, K. L. Luhman

arxiv:1209.5433 v1 · 2012-09-24 · 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{IEKXAPIZKLC7ZR3RIS2IASA6IT}

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	2026-05-18T01:54:19.281874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4115703d1952c5fcc77144b480481e44f5e1d637743f37d8587eb0aa99c15c48

Aliases

arxiv: 1209.5433 · arxiv_version: 1209.5433v1 · doi: 10.48550/arxiv.1209.5433 · pith_short_12: IEKXAPIZKLC7 · pith_short_16: IEKXAPIZKLC7ZR3R · pith_short_8: IEKXAPIZ

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/IEKXAPIZKLC7ZR3RIS2IASA6IT \
  | 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: 4115703d1952c5fcc77144b480481e44f5e1d637743f37d8587eb0aa99c15c48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0243adf7fc3628b1887f6fab80f6b32be02372ab2b619cb24b53a930fa7d1de8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-09-24T21:32:26Z",
    "title_canon_sha256": "c684fb21163842d9c5652a1ca00d5f8608ca51fbc0ce145472287836be7f72b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5433",
    "kind": "arxiv",
    "version": 1
  }
}