Pith Number

pith:Q7PPMCG7

pith:2026:Q7PPMCG7M7CCV26ZTCOM23QHAU

not attested not anchored not stored refs pending

THOR and HAMRR

Jay Anderson, Sean K. Terry

arxiv:2606.18330 v1 · 2026-06-16 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7PPMCG7M7CCV26ZTCOM23QHAU}

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	2026-06-19T16:10:58.045855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87def608df67c42aebd9989ccd6e0705149ac9010fef6bd34209b05dd9ffd5a4

Aliases

arxiv: 2606.18330 · arxiv_version: 2606.18330v1 · doi: 10.48550/arxiv.2606.18330 · pith_short_12: Q7PPMCG7M7CC · pith_short_16: Q7PPMCG7M7CCV26Z · pith_short_8: Q7PPMCG7

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/Q7PPMCG7M7CCV26ZTCOM23QHAU \
  | 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: 87def608df67c42aebd9989ccd6e0705149ac9010fef6bd34209b05dd9ffd5a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8015f3b43ed82470b9e10e43b9c2582a5ffe7c55f9e41352c943b71f8aebf9cf",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-16T18:00:00Z",
    "title_canon_sha256": "ac04fc6a7caa0b21162e7158fef112a50eb09519007560feb5afb577e5e15d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18330",
    "kind": "arxiv",
    "version": 1
  }
}