Pith Number

pith:6QAJA2KV

pith:2013:6QAJA2KVLQXPZLZNV57OHPPKBJ

not attested not anchored not stored refs pending

Reduction of weakly nonlinear parabolic partial differential equations

Hayato Chiba

arxiv:1302.0562 v2 · 2013-02-04 · 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{6QAJA2KVLQXPZLZNV57OHPPKBJ}

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	2026-05-18T01:51:50.954723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4009069555c2efcaf2daf7ee3bdea0a7deb79c9e20f8342017c1cacd7696bd9

Aliases

arxiv: 1302.0562 · arxiv_version: 1302.0562v2 · doi: 10.48550/arxiv.1302.0562 · pith_short_12: 6QAJA2KVLQXP · pith_short_16: 6QAJA2KVLQXPZLZN · pith_short_8: 6QAJA2KV

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/6QAJA2KVLQXPZLZNV57OHPPKBJ \
  | 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: f4009069555c2efcaf2daf7ee3bdea0a7deb79c9e20f8342017c1cacd7696bd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1705bc3315991863d5222e7c11e67258670f2809714eef2d684474e6b6117807",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-02-04T01:16:11Z",
    "title_canon_sha256": "54ca5483e1609727bf44971e2844e324d2f48bb5873adcd8e5195a8524640a74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0562",
    "kind": "arxiv",
    "version": 2
  }
}