Pith Number

pith:XHKNX2AE

pith:2014:XHKNX2AEO2MK4STWDGTLTYIPA5

not attested not anchored not stored refs pending

Amino acid metabolism conflicts with protein diversity

David A. Shub, Diego U. Ferreiro, Ignacio E. Sanchez, Leonardo G. Alonso, Michael Shub, Nina Verstraete, Teresa Krick

arxiv:1403.3301 v2 · 2014-03-13 · q-bio.PE · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHKNX2AEO2MK4STWDGTLTYIPA5}

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	2026-05-18T02:56:04.862792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9d4dbe8047698ae4a7619a6b9e10f0764258e5665a53ef8cc1fb286d42a2412

Aliases

arxiv: 1403.3301 · arxiv_version: 1403.3301v2 · doi: 10.48550/arxiv.1403.3301 · pith_short_12: XHKNX2AEO2MK · pith_short_16: XHKNX2AEO2MK4STW · pith_short_8: XHKNX2AE

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/XHKNX2AEO2MK4STWDGTLTYIPA5 \
  | 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: b9d4dbe8047698ae4a7619a6b9e10f0764258e5665a53ef8cc1fb286d42a2412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "785a8365f80e93aeb99f8319c45848d9fffa9592648f229065fda982fcef1a9d",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-03-13T15:29:45Z",
    "title_canon_sha256": "3d46db1dba58122238ecea2b86c1e29a2f2e554b3fe61713c4bf7adaeaf1196d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3301",
    "kind": "arxiv",
    "version": 2
  }
}