Pith Number

pith:KKPEFOYS

pith:2018:KKPEFOYSNROQF25Z2CIXGVJPZY

not attested not anchored not stored refs pending

Astrophysical Validation

A. C. Calder, D. M. Townsley

arxiv:1809.02180 v1 · 2018-09-06 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKPEFOYSNROQF25Z2CIXGVJPZY}

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	2026-05-18T00:06:17.726359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

529e42bb126c5d02ebb9d09173552fce06bb8e20c3a2de724a0c17d604b9bb03

Aliases

arxiv: 1809.02180 · arxiv_version: 1809.02180v1 · doi: 10.48550/arxiv.1809.02180 · pith_short_12: KKPEFOYSNROQ · pith_short_16: KKPEFOYSNROQF25Z · pith_short_8: KKPEFOYS

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/KKPEFOYSNROQF25Z2CIXGVJPZY \
  | 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: 529e42bb126c5d02ebb9d09173552fce06bb8e20c3a2de724a0c17d604b9bb03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09e934497a926e30891bc33b08d5b926eb3eaab468e3eb807dae376140b69735",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-06T19:19:24Z",
    "title_canon_sha256": "4a4eab9159cc954103eb7627b84c008ffbe3e228384e90acaaffc680fced6f15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02180",
    "kind": "arxiv",
    "version": 1
  }
}