Pith Number

pith:LY2CKG4I

pith:2016:LY2CKG4IAJNM4OEIRWLFURH4XT

not attested not anchored not stored refs pending

DDO 68: A flea with smaller fleas that on him prey

A. Aloisi (STScI), C. Nipoti (UniBo), D. Paris (INAF-OAR), E. Sacchi (INAF-OABO, F. Annibali (INAF-OABo), F. Cusano (INAF-OABO), L. Ciotti (UNIBO), M. Bellazzini (INAF-Oabo), M. Cignoni (UNIPI), M. Tosi (INAF-Oabo), UniBo)

arxiv:1607.02628 v1 · 2016-07-09 · 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{LY2CKG4IAJNM4OEIRWLFURH4XT}

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	2026-05-18T01:08:38.274560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e34251b88025ace38888d965a44fcbce0572a67f839f651e8170611d06513d4

Aliases

arxiv: 1607.02628 · arxiv_version: 1607.02628v1 · doi: 10.48550/arxiv.1607.02628 · pith_short_12: LY2CKG4IAJNM · pith_short_16: LY2CKG4IAJNM4OEI · pith_short_8: LY2CKG4I

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/LY2CKG4IAJNM4OEIRWLFURH4XT \
  | 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: 5e34251b88025ace38888d965a44fcbce0572a67f839f651e8170611d06513d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812d4d2d45a2bfa1aee863fd709f253e1328f2e9baa7d6e13723c2b3eeb46f26",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-09T15:56:09Z",
    "title_canon_sha256": "979db74b703e6c8a623ea0ae20f51d7d248fdde77d189ef50363c967965c6c62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02628",
    "kind": "arxiv",
    "version": 1
  }
}