Pith Number

pith:WIIVIWJF

pith:2016:WIIVIWJFN7RHVGNGY3SPT2EV7B

not attested not anchored not stored refs pending

A quantitative definition of organismality and its application to lichen

David Wolpert, Eric Libby, Joshua Grochow, Simon DeDeo

arxiv:1612.00036 v1 · 2016-11-30 · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIIVIWJFN7RHVGNGY3SPT2EV7B}

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	2026-05-18T00:56:06.991199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2115459256fe27a99a6c6e4f9e895f85e5f4a01d0a1441f48b7662db543aa9f

Aliases

arxiv: 1612.00036 · arxiv_version: 1612.00036v1 · doi: 10.48550/arxiv.1612.00036 · pith_short_12: WIIVIWJFN7RH · pith_short_16: WIIVIWJFN7RHVGNG · pith_short_8: WIIVIWJF

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/WIIVIWJFN7RHVGNGY3SPT2EV7B \
  | 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: b2115459256fe27a99a6c6e4f9e895f85e5f4a01d0a1441f48b7662db543aa9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a6613698bb5ccf2747e0c040e5fa00b78817ec7e9dff6e66736078b9f4859ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2016-11-30T21:21:47Z",
    "title_canon_sha256": "91598a22fb3d99d362156795bb5ac61afd62441380457200de6c1d2953598c8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00036",
    "kind": "arxiv",
    "version": 1
  }
}