Pith Number

pith:IPNAGYAF

pith:2026:IPNAGYAF4JB3CZIYXFMQ4OFJ3Q

not attested not anchored not stored refs pending

Deep-time consistency in proteome elemental composition across cellular and viral life

L. Felipe Benites, Louie Slocombe, Sara I. Walker

arxiv:2605.19333 v1 · 2026-05-19 · q-bio.BM · 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{IPNAGYAF4JB3CZIYXFMQ4OFJ3Q}

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	2026-05-20T01:05:39.794643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43da036005e243b16518b9590e38a9dc254b7e0b3a5bf573ebfed86bbe3c9aeb

Aliases

arxiv: 2605.19333 · arxiv_version: 2605.19333v1 · doi: 10.48550/arxiv.2605.19333 · pith_short_12: IPNAGYAF4JB3 · pith_short_16: IPNAGYAF4JB3CZIY · pith_short_8: IPNAGYAF

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/IPNAGYAF4JB3CZIYXFMQ4OFJ3Q \
  | 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: 43da036005e243b16518b9590e38a9dc254b7e0b3a5bf573ebfed86bbe3c9aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f864191a60b789ec9c7d4248601f49dea97b0eeb0c6e5d00fad0f342c89716fb",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2026-05-19T04:14:11Z",
    "title_canon_sha256": "2f9f2f0ef04fd35f63fa2ab13fad967597014ac3fc18e3985fa0b8bab624c6c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19333",
    "kind": "arxiv",
    "version": 1
  }
}