Pith Number

pith:MN4K7SMY

pith:2018:MN4K7SMY6BB2ZIS3SWICZFIPFN

not attested not anchored not stored refs pending

New Methods of Studying Valley Fitness Landscapes

Jun He, Tao Xu

arxiv:1805.00092 v1 · 2018-04-30 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MN4K7SMY6BB2ZIS3SWICZFIPFN}

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	2026-05-18T00:17:10.564607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6378afc998f043aca25b95902c950f2b719edb0970a09006625210c479dbfb30

Aliases

arxiv: 1805.00092 · arxiv_version: 1805.00092v1 · doi: 10.48550/arxiv.1805.00092 · pith_short_12: MN4K7SMY6BB2 · pith_short_16: MN4K7SMY6BB2ZIS3 · pith_short_8: MN4K7SMY

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/MN4K7SMY6BB2ZIS3SWICZFIPFN \
  | 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: 6378afc998f043aca25b95902c950f2b719edb0970a09006625210c479dbfb30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7db79676dac7b994ba00634bb226dd36df64d1866e276ed0f15e89684781d12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-04-30T20:51:20Z",
    "title_canon_sha256": "3045196b74d7539408cfd7df68cf0b514d44232df5035fb4537a884d50268c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00092",
    "kind": "arxiv",
    "version": 1
  }
}