Pith Number

pith:KBCH4F3D

pith:2016:KBCH4F3DATHZDHHL7YEA4NZ7W3

not attested not anchored not stored refs pending

Loss of boundary conditions for fully nonlinear parabolic equations with superquadratic gradient terms

Alexander Quaas, Andrei Rodr\'iguez

arxiv:1609.09692 v2 · 2016-09-30 · 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{KBCH4F3DATHZDHHL7YEA4NZ7W3}

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	2026-05-18T00:31:51.852651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50447e176304cf919cebfe080e373fb6c6dd949db9606f090eba10f493f54f06

Aliases

arxiv: 1609.09692 · arxiv_version: 1609.09692v2 · doi: 10.48550/arxiv.1609.09692 · pith_short_12: KBCH4F3DATHZ · pith_short_16: KBCH4F3DATHZDHHL · pith_short_8: KBCH4F3D

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/KBCH4F3DATHZDHHL7YEA4NZ7W3 \
  | 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: 50447e176304cf919cebfe080e373fb6c6dd949db9606f090eba10f493f54f06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61519a29334ffab69f77c8ed7f6b60e16f2fd75933473f79c0712bac054a67ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-09-30T12:20:11Z",
    "title_canon_sha256": "1c13ef56dc1cf03057e5a7eabdc138deb17eee5d3945ba8bcdd3c4f57b5cb7b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09692",
    "kind": "arxiv",
    "version": 2
  }
}