Pith Number

pith:3IR3WX6H

pith:2018:3IR3WX6HVZGUDTQZHBF5QVHPHM

not attested not anchored not stored refs pending

Short Time Existence for the Curve Diffusion Flow with a Contact Angle

Helmut Abels, Julia Butz

arxiv:1810.01502 v2 · 2018-10-02 · 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{3IR3WX6HVZGUDTQZHBF5QVHPHM}

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	2026-05-17T23:59:32.197593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da23bb5fc7ae4d41ce19384bd854ef3b159e079013aeac66d1796626bb217ea3

Aliases

arxiv: 1810.01502 · arxiv_version: 1810.01502v2 · doi: 10.48550/arxiv.1810.01502 · pith_short_12: 3IR3WX6HVZGU · pith_short_16: 3IR3WX6HVZGUDTQZ · pith_short_8: 3IR3WX6H

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/3IR3WX6HVZGUDTQZHBF5QVHPHM \
  | 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: da23bb5fc7ae4d41ce19384bd854ef3b159e079013aeac66d1796626bb217ea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e32c7f8f142599e8f862210e7b5d115632f7c12d05740adfa6e2c619b4849ec",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-02T20:38:22Z",
    "title_canon_sha256": "a719d9ad55d97054545e3c14c9048b16e098cf28a93fde314f5d14fe33797059"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01502",
    "kind": "arxiv",
    "version": 2
  }
}