Pith Number

pith:DTOEUI7E

pith:2018:DTOEUI7EXFD7WLDJKNWG4ZUKIN

not attested not anchored not stored refs pending

Parsimonious Volterra System Identification

Constantino M. Lagoa, Korkut Bekiroglu, Sarah Hojjatinia

arxiv:1804.07239 v1 · 2018-04-19 · cs.SY · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTOEUI7EXFD7WLDJKNWG4ZUKIN}

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	2026-05-17T23:50:28.166050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cdc4a23e4b947fb2c69536c6e668a435ec0a732e23b9fc32d8700640f869a21

Aliases

arxiv: 1804.07239 · arxiv_version: 1804.07239v1 · doi: 10.48550/arxiv.1804.07239 · pith_short_12: DTOEUI7EXFD7 · pith_short_16: DTOEUI7EXFD7WLDJ · pith_short_8: DTOEUI7E

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/DTOEUI7EXFD7WLDJKNWG4ZUKIN \
  | 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: 1cdc4a23e4b947fb2c69536c6e668a435ec0a732e23b9fc32d8700640f869a21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ef6369d14cc9e6234334f0d7a1acf341cc0142a5c53fac91c49fa4043193821",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-04-19T15:43:51Z",
    "title_canon_sha256": "15a6a90c711872c7692551368c46bad3dd06e72b850c991b5fd9dfa295e2ad96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07239",
    "kind": "arxiv",
    "version": 1
  }
}