Pith Number

pith:I462EVBP

pith:2018:I462EVBPHGSHHZIXYMY2WUSPXU

not attested not anchored not stored refs pending

On obstacle problem for mean curvature flow with driving force

Hung V. Tran, Longjie Zhang, Yoshikazu Giga

arxiv:1810.03456 v1 · 2018-10-04 · math.AP · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I462EVBPHGSHHZIXYMY2WUSPXU}

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	2026-05-18T00:03:51.229340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473da2542f39a473e517c331ab524fbd3d18bc1c1c96fcaec2555b410fd97342

Aliases

arxiv: 1810.03456 · arxiv_version: 1810.03456v1 · doi: 10.48550/arxiv.1810.03456 · pith_short_12: I462EVBPHGSH · pith_short_16: I462EVBPHGSHHZIX · pith_short_8: I462EVBP

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/I462EVBPHGSHHZIXYMY2WUSPXU \
  | 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: 473da2542f39a473e517c331ab524fbd3d18bc1c1c96fcaec2555b410fd97342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635c7d358166ebac5e660b57914050f6fde1acbe352a5e7252dce9e1f28cfe3f",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-04T00:21:32Z",
    "title_canon_sha256": "1edb5bd4fcc0ca44f61afefa4c45413796d833fd12a190ddce741dac478717ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03456",
    "kind": "arxiv",
    "version": 1
  }
}