Pith Number

pith:3KWBCJ7S

pith:2018:3KWBCJ7S3TOJF6FBRFM3BN5XIL

not attested not anchored not stored refs pending

Improving Hickson-like compact group finders in redshift surveys: an implementation in the SDSS

2) ((1) IATE/CONICET/UNC - OAC/UNC - (2) FaMAF/UNC), Antonela Taverna (1, Ariel Zandivarez (1), Eugenia Diaz-Gimenez (1)

arxiv:1808.10051 v1 · 2018-08-29 · 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{3KWBCJ7S3TOJF6FBRFM3BN5XIL}

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	2026-05-18T00:01:57.960975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daac1127f2dcdc92f8a18959b0b7b742ec9042a3c40862608ed4ea448b0cf235

Aliases

arxiv: 1808.10051 · arxiv_version: 1808.10051v1 · doi: 10.48550/arxiv.1808.10051 · pith_short_12: 3KWBCJ7S3TOJ · pith_short_16: 3KWBCJ7S3TOJF6FB · pith_short_8: 3KWBCJ7S

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/3KWBCJ7S3TOJF6FBRFM3BN5XIL \
  | 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: daac1127f2dcdc92f8a18959b0b7b742ec9042a3c40862608ed4ea448b0cf235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ab56b805f5bc06609a4d0e273cc2e5f640503f373b534afdfdbbba30c87307e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-29T21:51:41Z",
    "title_canon_sha256": "0c6e11279f32eb8993385d0cbf2aad64fcdb57f5bea002f07d7b354dfbc537b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10051",
    "kind": "arxiv",
    "version": 1
  }
}