Pith Number

pith:6GF6ORPM

pith:2013:6GF6ORPMGP4W6S3IK2KFADEAFE

not attested not anchored not stored refs pending

Time-interior gradient estimates for quasilinear parabolic equations

Ben Andrews, Julie Clutterbuck

arxiv:1306.1281 v1 · 2013-06-06 · 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{6GF6ORPMGP4W6S3IK2KFADEAFE}

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	2026-05-18T03:21:42.782512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f18be745ec33f96f4b685694500c802923fd5707d51e5c6228af0ccf09b6743e

Aliases

arxiv: 1306.1281 · arxiv_version: 1306.1281v1 · doi: 10.48550/arxiv.1306.1281 · pith_short_12: 6GF6ORPMGP4W · pith_short_16: 6GF6ORPMGP4W6S3I · pith_short_8: 6GF6ORPM

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/6GF6ORPMGP4W6S3IK2KFADEAFE \
  | 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: f18be745ec33f96f4b685694500c802923fd5707d51e5c6228af0ccf09b6743e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52205f07eaf605f82c7c2a1b25dcf992f637319c70d2a6f2e12ec410937f8ce5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-06-06T01:46:24Z",
    "title_canon_sha256": "14c8cb09592b6a4ba9dbd499b38b9d055d88ffbbf33243be982a0faa7b356e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1281",
    "kind": "arxiv",
    "version": 1
  }
}