Pith Number

pith:FRKBZQJ4

pith:2014:FRKBZQJ4M2WRNSDEBU3AM3POCW

not attested not anchored not stored refs pending

Compactness methods for doubly nonlinear parabolic systems

Ryan Hynd

arxiv:1410.7844 v3 · 2014-10-29 · 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{FRKBZQJ4M2WRNSDEBU3AM3POCW}

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	2026-05-18T01:34:55.254123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c541cc13c66ad16c8640d36066dee159c4be3288378070b66dadbedfee15200

Aliases

arxiv: 1410.7844 · arxiv_version: 1410.7844v3 · doi: 10.48550/arxiv.1410.7844 · pith_short_12: FRKBZQJ4M2WR · pith_short_16: FRKBZQJ4M2WRNSDE · pith_short_8: FRKBZQJ4

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/FRKBZQJ4M2WRNSDEBU3AM3POCW \
  | 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: 2c541cc13c66ad16c8640d36066dee159c4be3288378070b66dadbedfee15200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31aca526348236f376345b6d2ea8eee06ca356b52ed844e3aa78d9e8056c9a02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-10-29T00:43:03Z",
    "title_canon_sha256": "fef5e822f496422b3b2e4b8aca6d41169b7855c66cb4db587693ec6a195e0f45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7844",
    "kind": "arxiv",
    "version": 3
  }
}