Pith Number

pith:SL5FQRZA

pith:2026:SL5FQRZAOMLOIV4PVBRINEBENC

not attested not anchored not stored refs pending

Substrate-Agnostic 3x: Biosignatures, Technosignatures, Ecologies

Luk\'a\v{s} Likav\v{c}an

arxiv:2607.01664 v1 · 2026-07-02 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SL5FQRZAOMLOIV4PVBRINEBENC}

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	2026-07-03T01:17:26.037292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92fa5847207316e4578fa86286902468bedf5540e30eeef9c5249ac673f36eba

Aliases

arxiv: 2607.01664 · arxiv_version: 2607.01664v1 · doi: 10.48550/arxiv.2607.01664 · pith_short_12: SL5FQRZAOMLO · pith_short_16: SL5FQRZAOMLOIV4P · pith_short_8: SL5FQRZA

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/SL5FQRZAOMLOIV4PVBRINEBENC \
  | 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: 92fa5847207316e4578fa86286902468bedf5540e30eeef9c5249ac673f36eba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "355fb52346e13e51988205131493e2d932fe495f04156b6217f08460ea5680f3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2026-07-02T03:44:13Z",
    "title_canon_sha256": "38c486adc6a8899836377d36aec2826dee6a4c394735f0ef1b45b58ac85ab240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01664",
    "kind": "arxiv",
    "version": 1
  }
}