Pith Number

pith:RRAGHAZ3

pith:2014:RRAGHAZ3ZEUMQPXKKMPYMEUGCO

not attested not anchored not stored refs pending

Ideas for Citizen Science in Astronomy

Chris J. Lintott, Leigh N. Fletcher, Philip J. Marshall

arxiv:1409.4291 v1 · 2014-09-15 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRAGHAZ3ZEUMQPXKKMPYMEUGCO}

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	2026-05-18T01:32:30.691958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c4063833bc928c83eea531f86128613902f263f4d509254f9d68f6d69835e00

Aliases

arxiv: 1409.4291 · arxiv_version: 1409.4291v1 · doi: 10.48550/arxiv.1409.4291 · pith_short_12: RRAGHAZ3ZEUM · pith_short_16: RRAGHAZ3ZEUMQPXK · pith_short_8: RRAGHAZ3

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/RRAGHAZ3ZEUMQPXKKMPYMEUGCO \
  | 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: 8c4063833bc928c83eea531f86128613902f263f4d509254f9d68f6d69835e00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a783603287310673d040cc2a9c6e2f1dd2adeddfbdec1ecc99add783b876a440",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-09-15T15:26:50Z",
    "title_canon_sha256": "ae17cf384978613062c68f105c24df1a6ac52459e16207a77b36e3c7f7c957c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4291",
    "kind": "arxiv",
    "version": 1
  }
}