Pith Number

pith:7OZNK4BP

pith:2026:7OZNK4BPKCX2NW72YZHTIMGWNT

not attested not anchored not stored refs pending

FBApro: A fast, simple linear transformation for diverse metabolic modeling tasks

Ariel Bruner, Mona Singh

arxiv:2601.14577 v2 · 2026-01-21 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OZNK4BPKCX2NW72YZHTIMGWNT}

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	2026-05-22T01:03:54.335889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbb2d5702f50afa6dbfac64f3430d66ccf47de7d8ecc92edd259e0e1e45c78d2

Aliases

arxiv: 2601.14577 · arxiv_version: 2601.14577v2 · doi: 10.48550/arxiv.2601.14577 · pith_short_12: 7OZNK4BPKCX2 · pith_short_16: 7OZNK4BPKCX2NW72 · pith_short_8: 7OZNK4BP

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/7OZNK4BPKCX2NW72YZHTIMGWNT \
  | 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: fbb2d5702f50afa6dbfac64f3430d66ccf47de7d8ecc92edd259e0e1e45c78d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0597e9378b46a2fadbedeb381260de7a593269788ecfa37666cf986753e96564",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2026-01-21T01:25:21Z",
    "title_canon_sha256": "ef8d0d6dfb47e7899df251a836c492772ab36e4b226bb7e636dde85e13925db2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.14577",
    "kind": "arxiv",
    "version": 2
  }
}