Pith Number

pith:IZCJSHWZ

pith:2019:IZCJSHWZELSGYWLAY2FJ4SRFEN

not attested not anchored not stored refs pending

Construction of High Codimension Ancient Mean Curvature Flows

Ao Sun, Douglas Stryker

arxiv:1908.02688 v2 · 2019-08-07 · 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{IZCJSHWZELSGYWLAY2FJ4SRFEN}

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	2026-07-05T00:02:28.356968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4644991ed922e46c5960c68a9e4a2523766171afa70d61c04f50b4108d2e9dad

Aliases

arxiv: 1908.02688 · arxiv_version: 1908.02688v2 · doi: 10.48550/arxiv.1908.02688 · pith_short_12: IZCJSHWZELSG · pith_short_16: IZCJSHWZELSGYWLA · pith_short_8: IZCJSHWZ

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/IZCJSHWZELSGYWLAY2FJ4SRFEN \
  | 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: 4644991ed922e46c5960c68a9e4a2523766171afa70d61c04f50b4108d2e9dad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f29509563a30c1d1d131800e70b503fd0158d1972a3ad353aea3c19198673c50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-07T15:45:18Z",
    "title_canon_sha256": "ea29e7a3a7bc96bd10401543734085379d900eb545b4f1a43fca47ad8c79bd42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02688",
    "kind": "arxiv",
    "version": 2
  }
}