Pith Number

pith:6EIEGTYF

pith:2018:6EIEGTYFHC6I2JJNUBMDKLZIPL

not attested not anchored not stored refs pending

Recovery of a potential in a fractional diffusion equation

Masahiro Yamamoto, William Rundell

arxiv:1811.05971 v1 · 2018-11-14 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EIEGTYFHC6I2JJNUBMDKLZIPL}

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	2026-05-18T00:00:41.751038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f110434f0538bc8d252da058352f287ae7a7a6f61e521321c72404980f76a4a3

Aliases

arxiv: 1811.05971 · arxiv_version: 1811.05971v1 · doi: 10.48550/arxiv.1811.05971 · pith_short_12: 6EIEGTYFHC6I · pith_short_16: 6EIEGTYFHC6I2JJN · pith_short_8: 6EIEGTYF

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/6EIEGTYFHC6I2JJNUBMDKLZIPL \
  | 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: f110434f0538bc8d252da058352f287ae7a7a6f61e521321c72404980f76a4a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68e87c428e2e3aac0da30761ffbc2293683f52ef13ffd3046c00a61edcdc00e4",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-11-14T18:59:49Z",
    "title_canon_sha256": "2fa79acc40f3c24fe469fd76285eb65e21a6b246cf9e195319a8bcc28c1d0144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05971",
    "kind": "arxiv",
    "version": 1
  }
}