Pith Number

pith:SUUYKZDR

pith:2026:SUUYKZDR7O7GRYEVS3P4T7KXFL

not attested not anchored not stored refs pending

Towards coevolution-aware ancestral sequence reconstruction

Alya Zeinaty, Francesco Zamponi, Leonardo di Bari, Martin Weigt, Pierre Barrat-Charlaix, Saverio Rossi

arxiv:2606.27942 v1 · 2026-06-26 · q-bio.BM · physics.bio-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUUYKZDR7O7GRYEVS3P4T7KXFL}

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	2026-06-29T01:14:53.356592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9529856471fbbe68e09596dfc9fd572ac6232bee7d72af95f739f24c25e8e761

Aliases

arxiv: 2606.27942 · arxiv_version: 2606.27942v1 · doi: 10.48550/arxiv.2606.27942 · pith_short_12: SUUYKZDR7O7G · pith_short_16: SUUYKZDR7O7GRYEV · pith_short_8: SUUYKZDR

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/SUUYKZDR7O7GRYEVS3P4T7KXFL \
  | 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: 9529856471fbbe68e09596dfc9fd572ac6232bee7d72af95f739f24c25e8e761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b485843757a2627f1859c827d28c0980928858e85a730c82ce8e12093aad474c",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2026-06-26T10:32:11Z",
    "title_canon_sha256": "671ce806710600183a4e4f3d59f7679a146c2e5d766f918e69623205b9d88d38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27942",
    "kind": "arxiv",
    "version": 1
  }
}