Pith Number

pith:FGBI7BOA

pith:2026:FGBI7BOA3YXF3XN53QMG3ML5KS

not attested not anchored not stored refs pending

How many labels can a biological oscillator carry? A quality-factor screen for proposed information carriers

Eran Kopel

arxiv:2608.10560 v1 · 2026-08-11 · q-bio.NC · physics.bio-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{FGBI7BOA3YXF3XN53QMG3ML5KS}

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	2026-08-12T01:22:44.722044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29828f85c0de2e5dddbddc186db17d54ae19fd8804c4ea73cd9b21e13f71087a

Aliases

arxiv: 2608.10560 · arxiv_version: 2608.10560v1 · doi: 10.48550/arxiv.2608.10560 · pith_short_12: FGBI7BOA3YXF · pith_short_16: FGBI7BOA3YXF3XN5 · pith_short_8: FGBI7BOA

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/FGBI7BOA3YXF3XN53QMG3ML5KS \
  | 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: 29828f85c0de2e5dddbddc186db17d54ae19fd8804c4ea73cd9b21e13f71087a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e844343db0fc29fb76d6149df512a9d9bb2085a7862c4e3338b9270589697e",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2026-08-11T06:47:51Z",
    "title_canon_sha256": "356652b131c68c360135b5c9faccb9b2ce8fdd2495a1a65d7ad1743b38c0b4f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10560",
    "kind": "arxiv",
    "version": 1
  }
}