Pith Number

pith:4OAJVD5W

pith:2019:4OAJVD5WOFU7TFRCMUENETZI5L

not attested not anchored not stored refs pending

Linear system identification from ensemble snapshot observations

Atte Aalto, Jorge Goncalves

arxiv:1903.06540 v1 · 2019-03-15 · q-bio.QM · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OAJVD5WOFU7TFRCMUENETZI5L}

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	2026-05-17T23:51:10.525300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3809a8fb67169f996226508d24f28eae60382ea0c13455eed6a2bc4bc7bb971

Aliases

arxiv: 1903.06540 · arxiv_version: 1903.06540v1 · doi: 10.48550/arxiv.1903.06540 · pith_short_12: 4OAJVD5WOFU7 · pith_short_16: 4OAJVD5WOFU7TFRC · pith_short_8: 4OAJVD5W

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/4OAJVD5WOFU7TFRCMUENETZI5L \
  | 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: e3809a8fb67169f996226508d24f28eae60382ea0c13455eed6a2bc4bc7bb971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "044864736f1c124bba4638e51b5625e061f106e3d16905a033567b54b96860de",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-03-15T13:24:12Z",
    "title_canon_sha256": "44596331369e67e6e8d9e004c331fca8b7fbaed7f4d301665a084443485aaa71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06540",
    "kind": "arxiv",
    "version": 1
  }
}