Pith Number

pith:ENA2TK57

pith:2018:ENA2TK57RTIWQWX6WTW6FEPI7Y

not attested not anchored not stored refs pending

Unique continuation principle for the one-dimensional time-fractional diffusion equation

Masahiro Yamamoto, Zhiyuan Li

arxiv:1806.06164 v1 · 2018-06-16 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENA2TK57RTIWQWX6WTW6FEPI7Y}

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	2026-05-18T00:13:03.485918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2341a9abbf8cd1685afeb4ede291e8fe2434b20a8c6bdd1eff4e1b2aaf3a9251

Aliases

arxiv: 1806.06164 · arxiv_version: 1806.06164v1 · doi: 10.48550/arxiv.1806.06164 · pith_short_12: ENA2TK57RTIW · pith_short_16: ENA2TK57RTIWQWX6 · pith_short_8: ENA2TK57

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/ENA2TK57RTIWQWX6WTW6FEPI7Y \
  | 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: 2341a9abbf8cd1685afeb4ede291e8fe2434b20a8c6bdd1eff4e1b2aaf3a9251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67f66c83fa400721fba6e67d28bd39a7f563485b2ececd6b0e464a89ef3ff21b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-06-16T01:26:46Z",
    "title_canon_sha256": "3e1f7968e72e10e0f80c5afde5d47495787be11020dfd6ba34a8b3142e50335a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06164",
    "kind": "arxiv",
    "version": 1
  }
}