Pith Number

pith:3LFRARZZ

pith:2015:3LFRARZZTXV44WP5O62AER3XE2

not attested not anchored not stored refs pending

Adaptive Energy Preserving Methods for Partial Differential Equations

Brynjulf Owren, S{\o}lve Eidnes, Torbj{\o}rn Ringholm

arxiv:1507.02484 v5 · 2015-07-09 · 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{3LFRARZZTXV44WP5O62AER3XE2}

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	2026-05-18T00:14:29.307793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dacb1047399debce59fd77b4024777269c9fd866955bcbc22c79a0fddffcac0e

Aliases

arxiv: 1507.02484 · arxiv_version: 1507.02484v5 · doi: 10.48550/arxiv.1507.02484 · pith_short_12: 3LFRARZZTXV4 · pith_short_16: 3LFRARZZTXV44WP5 · pith_short_8: 3LFRARZZ

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/3LFRARZZTXV44WP5O62AER3XE2 \
  | 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: dacb1047399debce59fd77b4024777269c9fd866955bcbc22c79a0fddffcac0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39809d80c53f6a307b9f36b207e33f35bef6818ecd601b937235714ec3934e02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-09T12:38:36Z",
    "title_canon_sha256": "dc55de33b06cbf3594078f3b3e72ff6fedd4742060a262316fd1183e6c2ff3c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02484",
    "kind": "arxiv",
    "version": 5
  }
}