Pith Number

pith:3642UMVI

pith:2021:3642UMVIVJS45HXNRAJS4Q2U2N

not attested not anchored not stored refs pending

Identifiability Analysis of Linear Ordinary Differential Equation Systems with a Single Trajectory

Babak Soltanalizadeh, Hulin Wu, Tao Xu, Xing Qiu

arxiv:2103.05660 v1 · 2021-03-09 · math.OC · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3642UMVIVJS45HXNRAJS4Q2U2N}

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	2026-07-05T02:21:56.701398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfb9aa32a8aa65ce9eed88132e4354d370f11c0246eccf1e2868a0b9ac24b5dd

Aliases

arxiv: 2103.05660 · arxiv_version: 2103.05660v1 · doi: 10.48550/arxiv.2103.05660 · pith_short_12: 3642UMVIVJS4 · pith_short_16: 3642UMVIVJS45HXN · pith_short_8: 3642UMVI

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/3642UMVIVJS45HXNRAJS4Q2U2N \
  | 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: dfb9aa32a8aa65ce9eed88132e4354d370f11c0246eccf1e2868a0b9ac24b5dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6726b8f7909502d8fa40d72a03ed92a7310f5cf20ed2f303a8b073a743117df",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-03-09T19:02:03Z",
    "title_canon_sha256": "3eb94a61e5a02409afcbf93e6e126b6a73cd1b696360807750c750138ba96d3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.05660",
    "kind": "arxiv",
    "version": 1
  }
}