Pith Number

pith:ECTZUBNW

pith:2013:ECTZUBNWQAOYOAOB5Q5FN2KQKT

not attested not anchored not stored refs pending

Parabolic equations with rough data

Herbert Koch, Tobias Lamm

arxiv:1310.3658 v1 · 2013-10-14 · math.AP · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECTZUBNWQAOYOAOB5Q5FN2KQKT}

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	2026-05-18T03:10:35.175516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a79a05b6801d8701c1ec3a56e95054e82fa6c9761a8350b6726f35f32bd3b0

Aliases

arxiv: 1310.3658 · arxiv_version: 1310.3658v1 · doi: 10.48550/arxiv.1310.3658 · pith_short_12: ECTZUBNWQAOY · pith_short_16: ECTZUBNWQAOYOAOB · pith_short_8: ECTZUBNW

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/ECTZUBNWQAOYOAOB5Q5FN2KQKT \
  | 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: 20a79a05b6801d8701c1ec3a56e95054e82fa6c9761a8350b6726f35f32bd3b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "787851580552d3c2c6b2197ef8f7d85a4ebda4dd72bfa8ba694e96708bf113cc",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-10-14T12:46:43Z",
    "title_canon_sha256": "4c87c2934e74decbb25b9407aaf7d01076ac1bc19bca0837cb9770e98d6a5a8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3658",
    "kind": "arxiv",
    "version": 1
  }
}