Pith Number

pith:PYUJYTTL

pith:2015:PYUJYTTLS7S3HJYEDTKV2M4WFB

not attested not anchored not stored refs pending

Fully implicit time-stepping schemes and non-linear solvers for systems of reaction-diffusion equations

Andy H.W. Chung, Anotida Madzvamuse

arxiv:1501.05782 v1 · 2015-01-23 · 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{PYUJYTTLS7S3HJYEDTKV2M4WFB}

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	2026-05-18T02:28:49.010239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e289c4e6b97e5b3a7041cd55d33962847826b79b6c2ce79cff1a5aa60f15080

Aliases

arxiv: 1501.05782 · arxiv_version: 1501.05782v1 · doi: 10.48550/arxiv.1501.05782 · pith_short_12: PYUJYTTLS7S3 · pith_short_16: PYUJYTTLS7S3HJYE · pith_short_8: PYUJYTTL

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/PYUJYTTLS7S3HJYEDTKV2M4WFB \
  | 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: 7e289c4e6b97e5b3a7041cd55d33962847826b79b6c2ce79cff1a5aa60f15080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f24bc69d4be03d7f80943e856dfb2c2e894035f46e1f52f0beb4ac9756512309",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-01-23T12:10:15Z",
    "title_canon_sha256": "706a4edf30b03a6dd234bc3eb48157042efc6d72f33496a51b6470d5ee776a9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05782",
    "kind": "arxiv",
    "version": 1
  }
}