Pith Number

pith:YQ4ZATBC

pith:2021:YQ4ZATBCHGHB4TNRR43YWRKXKV

not attested not anchored not stored refs pending

SCORPIO, a package for the visualization of galaxy pairs

Bruno O. S\'anchez, Jose A. Benavides, Juan B. Cabral, Mart\'in Chalela, Sebastian Gurovich

arxiv:2111.01260 v2 · 2021-11-01 · astro-ph.IM · 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{YQ4ZATBCHGHB4TNRR43YWRKXKV}

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	2026-07-05T03:29:53.372649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c439904c22398e1e4db18f378b45575561bdc58318faeb00feaf024b85335cf9

Aliases

arxiv: 2111.01260 · arxiv_version: 2111.01260v2 · doi: 10.48550/arxiv.2111.01260 · pith_short_12: YQ4ZATBCHGHB · pith_short_16: YQ4ZATBCHGHB4TNR · pith_short_8: YQ4ZATBC

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/YQ4ZATBCHGHB4TNRR43YWRKXKV \
  | 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: c439904c22398e1e4db18f378b45575561bdc58318faeb00feaf024b85335cf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c12c39253ffe0f61c68f21093f55d332a823f66519d20332c19f4ed085567e59",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-11-01T21:03:21Z",
    "title_canon_sha256": "e8b52af94525eb7ecd2f68a0a090d1530f12aacfa23b352cff60c0962fa7b2fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01260",
    "kind": "arxiv",
    "version": 2
  }
}