Pith Number

pith:PQAIFFSD

pith:2016:PQAIFFSDWMZ4BAIMUSR2ZGIONM

not attested not anchored not stored refs pending

Towards a stationary Monge-Kantorovich dynamics: the Physarum Polycephalum experience

Enrico Facca, Franco Cardin, Mario Putti

arxiv:1610.06325 v1 · 2016-10-20 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQAIFFSDWMZ4BAIMUSR2ZGIONM}

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	2026-06-04T18:10:07.602487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c00829643b333c0810ca4a3ac990e6b07c4f5bc8ecc243cd1d7974ba8b08bbe

Aliases

arxiv: 1610.06325 · arxiv_version: 1610.06325v1 · doi: 10.48550/arxiv.1610.06325 · pith_short_12: PQAIFFSDWMZ4 · pith_short_16: PQAIFFSDWMZ4BAIM · pith_short_8: PQAIFFSD

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/PQAIFFSDWMZ4BAIMUSR2ZGIONM \
  | 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: 7c00829643b333c0810ca4a3ac990e6b07c4f5bc8ecc243cd1d7974ba8b08bbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac44009c17a316c2474a151053b17a7815f6c17570c14af8af5cf18bed1a4fc9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-20T08:36:27Z",
    "title_canon_sha256": "f9a3372319c877f3ec52a97cd65a16231480243343bc00acc5a553df36535d71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06325",
    "kind": "arxiv",
    "version": 1
  }
}