Pith Number

pith:P25MQYLK

pith:2013:P25MQYLKP6SHTF4WWDA5X4WVE2

not attested not anchored not stored refs pending

Non self-similar blow-up solutions to the heat equation with nonlinear boundary conditions

Junichi Harada

arxiv:1303.5521 v1 · 2013-03-22 · 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{P25MQYLKP6SHTF4WWDA5X4WVE2}

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	2026-05-18T03:30:03.983439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ebac8616a7fa4799796b0c1dbf2d526a634da41dc21e417f4fbd2716faa9a4d

Aliases

arxiv: 1303.5521 · arxiv_version: 1303.5521v1 · doi: 10.48550/arxiv.1303.5521 · pith_short_12: P25MQYLKP6SH · pith_short_16: P25MQYLKP6SHTF4W · pith_short_8: P25MQYLK

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/P25MQYLKP6SHTF4WWDA5X4WVE2 \
  | 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: 7ebac8616a7fa4799796b0c1dbf2d526a634da41dc21e417f4fbd2716faa9a4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34b93172d406a1f045ce29124547a1b6abdc466a20fd52f9b8c1b895fafa789c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-03-22T05:33:24Z",
    "title_canon_sha256": "406223c73e625a1fbaefae28066b79eb9e31428933daee1c072ece02609cb365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5521",
    "kind": "arxiv",
    "version": 1
  }
}