Pith Number

pith:EAK72WQS

pith:2017:EAK72WQSDBYILI3ZDKJN7SI6GT

not attested not anchored not stored refs pending

How AD Can Help Solve Differential-Algebraic Equations

Guangning Tan, John D. Pryce, Nedialko S. Nedialkov, Xiao Li

arxiv:1703.08914 v1 · 2017-03-27 · math.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{EAK72WQSDBYILI3ZDKJN7SI6GT}

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	2026-05-18T00:47:55.174103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2015fd5a12187085a3791a92dfc91e34ca7e2a2e6f2f025feae26a1019248e85

Aliases

arxiv: 1703.08914 · arxiv_version: 1703.08914v1 · doi: 10.48550/arxiv.1703.08914 · pith_short_12: EAK72WQSDBYI · pith_short_16: EAK72WQSDBYILI3Z · pith_short_8: EAK72WQS

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/EAK72WQSDBYILI3ZDKJN7SI6GT \
  | 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: 2015fd5a12187085a3791a92dfc91e34ca7e2a2e6f2f025feae26a1019248e85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772bd6f683e426f37b1dcc22cbde821e0822f242a58fa6ed7cb2070a2a9a770a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-27T03:39:31Z",
    "title_canon_sha256": "2d12d48017ff552161a65a70bb95b62655405d2ef33936f85c36e50d1a1ba329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08914",
    "kind": "arxiv",
    "version": 1
  }
}