Pith Number

pith:OFYFVIEP

pith:2017:OFYFVIEPOLFOV4XBE4ACGIMPYP

not attested not anchored not stored refs pending

The nonlinear heat equation involving highly singular initial values and new blowup and life span results

Fred B. Weissler, Slim Tayachi

arxiv:1712.08213 v1 · 2017-12-21 · 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{OFYFVIEPOLFOV4XBE4ACGIMPYP}

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	2026-05-18T00:27:24.116175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71705aa08f72caeaf2e1270023218fc3e883485866c984fed96e2f1948299c30

Aliases

arxiv: 1712.08213 · arxiv_version: 1712.08213v1 · doi: 10.48550/arxiv.1712.08213 · pith_short_12: OFYFVIEPOLFO · pith_short_16: OFYFVIEPOLFOV4XB · pith_short_8: OFYFVIEP

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/OFYFVIEPOLFOV4XBE4ACGIMPYP \
  | 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: 71705aa08f72caeaf2e1270023218fc3e883485866c984fed96e2f1948299c30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "272676aabc94c6d9f3d0af90e2c25679e25180a108d8471c53d1b55b2a66e98e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-21T21:16:19Z",
    "title_canon_sha256": "d23325d47453734ad477b5b16659179906370f53d1dbdba3d0ac15efc6573259"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08213",
    "kind": "arxiv",
    "version": 1
  }
}