Pith Number

pith:FU3Z5BDF

pith:2014:FU3Z5BDFSSALKNNHF3OFSWZDAE

not attested not anchored not stored refs pending

Tangents to subsolutions -- existence and uniqueness, Part I

F. Reese Harvey, H. Blaine Lawson Jr

arxiv:1408.5797 v2 · 2014-08-25 · 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{FU3Z5BDFSSALKNNHF3OFSWZDAE}

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	2026-05-18T01:12:20.084576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d379e84659480b535a72edc595b230125cc1c3b687f08860c9ea50f640c56ed

Aliases

arxiv: 1408.5797 · arxiv_version: 1408.5797v2 · doi: 10.48550/arxiv.1408.5797 · pith_short_12: FU3Z5BDFSSAL · pith_short_16: FU3Z5BDFSSALKNNH · pith_short_8: FU3Z5BDF

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/FU3Z5BDFSSALKNNHF3OFSWZDAE \
  | 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: 2d379e84659480b535a72edc595b230125cc1c3b687f08860c9ea50f640c56ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3f4fd97f2e06f0e232c8d92db0210f60fcf109cfe8ecb85326755a1c0d891cf",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-08-25T15:17:05Z",
    "title_canon_sha256": "364258cbb71991a6034df430df8d687c6ea5ff1437f99ec9006958a649d56cdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5797",
    "kind": "arxiv",
    "version": 2
  }
}