Pith Number

pith:OA2ZLMIV

pith:2014:OA2ZLMIVTVU5VC7G54UE2JNIBM

not attested not anchored not stored refs pending

Tracing evolutionary links between species

Mike Steel

arxiv:1402.3771 v1 · 2014-02-16 · 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{OA2ZLMIVTVU5VC7G54UE2JNIBM}

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	2026-05-18T02:58:55.668077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

703595b1159d69da8be6ef284d25a80b336e4add896f2a4383ff93ee79f79297

Aliases

arxiv: 1402.3771 · arxiv_version: 1402.3771v1 · doi: 10.48550/arxiv.1402.3771 · pith_short_12: OA2ZLMIVTVU5 · pith_short_16: OA2ZLMIVTVU5VC7G · pith_short_8: OA2ZLMIV

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/OA2ZLMIVTVU5VC7G54UE2JNIBM \
  | 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: 703595b1159d69da8be6ef284d25a80b336e4add896f2a4383ff93ee79f79297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0d93c2154ebe211e59b0cb0b7fce5a98e898454b8086147f92e9c9dcacbe134",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-02-16T08:24:07Z",
    "title_canon_sha256": "fb19a8d82d3a5b2c74ce44b5296528383134a08960435f67c87bceddabef897b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3771",
    "kind": "arxiv",
    "version": 1
  }
}