Pith Number

pith:WH54JUCI

pith:2013:WH54JUCIIPPL2ZDXVQR63H3MJN

not attested not anchored not stored refs pending

Degenerate Monge-Type Hypersurfaces

David N. Pham

arxiv:1302.4626 v2 · 2013-02-19 · 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{WH54JUCIIPPL2ZDXVQR63H3MJN}

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	2026-05-18T02:58:23.650135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1fbc4d04843debd6477ac23ed9f6c4b5be6977a89ce8b1aaa4b16696e7b584b

Aliases

arxiv: 1302.4626 · arxiv_version: 1302.4626v2 · doi: 10.48550/arxiv.1302.4626 · pith_short_12: WH54JUCIIPPL · pith_short_16: WH54JUCIIPPL2ZDX · pith_short_8: WH54JUCI

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/WH54JUCIIPPL2ZDXVQR63H3MJN \
  | 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: b1fbc4d04843debd6477ac23ed9f6c4b5be6977a89ce8b1aaa4b16696e7b584b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0366e7b0567d05f3c0c5e7238f24fdf8b777e94e5b26545dd99cb603e84ba3c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-19T14:47:33Z",
    "title_canon_sha256": "d5e16b3f783a142cf73e1ecdda5308809d95013abdfdf20bf4743ac1246d2e2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4626",
    "kind": "arxiv",
    "version": 2
  }
}