Pith Number

pith:37BDVK5K

pith:2022:37BDVK5KTS7X7HE5TUIIOLXRST

not attested not anchored not stored refs pending

The BLUES function method for second-order partial differential equations: application to a nonlinear telegrapher equation

Jonas Berx, Joseph O. Indekeu

arxiv:2205.08823 v1 · 2022-05-18 · physics.comp-ph · cs.NA · 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{37BDVK5KTS7X7HE5TUIIOLXRST}

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	2026-07-05T04:33:37.655243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfc23aabaa9cbf7f9c9d9d10872ef194cf55243605673312bc90e026e334af14

Aliases

arxiv: 2205.08823 · arxiv_version: 2205.08823v1 · doi: 10.48550/arxiv.2205.08823 · pith_short_12: 37BDVK5KTS7X · pith_short_16: 37BDVK5KTS7X7HE5 · pith_short_8: 37BDVK5K

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/37BDVK5KTS7X7HE5TUIIOLXRST \
  | 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: dfc23aabaa9cbf7f9c9d9d10872ef194cf55243605673312bc90e026e334af14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd34fe438a04236b08ba22fe76559a719b4f6138a13883896950abbfec5d3af0",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2022-05-18T09:42:15Z",
    "title_canon_sha256": "fee5ffd41f4b240433777cd433a2d4623b45d0d366158f253a7db3c5d41a5dda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.08823",
    "kind": "arxiv",
    "version": 1
  }
}