Pith Number

pith:NXVVCRTM

pith:2017:NXVVCRTM4E4GTDSU4FTZ6OUTME

not attested not anchored not stored refs pending

Improvements on lower bounds for the blow-up time under local nonlinear Neumann conditions

Xin Yang, Zhengfang Zhou

arxiv:1707.01641 v2 · 2017-07-06 · 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{NXVVCRTM4E4GTDSU4FTZ6OUTME}

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	2026-05-18T00:17:43.325232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6deb51466ce138698e54e1679f3a936124c4571beb678dfdb4f997a504b480ae

Aliases

arxiv: 1707.01641 · arxiv_version: 1707.01641v2 · doi: 10.48550/arxiv.1707.01641 · pith_short_12: NXVVCRTM4E4G · pith_short_16: NXVVCRTM4E4GTDSU · pith_short_8: NXVVCRTM

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/NXVVCRTM4E4GTDSU4FTZ6OUTME \
  | 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: 6deb51466ce138698e54e1679f3a936124c4571beb678dfdb4f997a504b480ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eff787fb3c18c9e84f4e70c8c35b1009b9279cb7ebfde7b97480db53563accc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-07-06T05:20:02Z",
    "title_canon_sha256": "6eb23ae5de54c2633f7289327169eb92ffa7fb3c8f64a8692f90457806a98510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01641",
    "kind": "arxiv",
    "version": 2
  }
}