Pith Number

pith:NE4DIYBH

pith:2020:NE4DIYBH4YZAH6LPO5X7JFD6CE

not attested not anchored not stored refs pending

Algebraic Core and Convex Calculus without Topology

Addison Cartmell, Boris S. Mordukhovich, Dang Van Cuong, Nguyen Mau Nam

arxiv:2001.00276 v2 · 2020-01-01 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NE4DIYBH4YZAH6LPO5X7JFD6CE}

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	2026-07-05T00:38:47.017724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6938346027e63203f96f776ff4947e1133eac0fbf31f26bad6a01902904dfd39

Aliases

arxiv: 2001.00276 · arxiv_version: 2001.00276v2 · doi: 10.48550/arxiv.2001.00276 · pith_short_12: NE4DIYBH4YZA · pith_short_16: NE4DIYBH4YZAH6LP · pith_short_8: NE4DIYBH

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/NE4DIYBH4YZAH6LPO5X7JFD6CE \
  | 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: 6938346027e63203f96f776ff4947e1133eac0fbf31f26bad6a01902904dfd39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff0c0b62507c1d260db2c6b0f1b826bb0a00158b9f669f7c2596fa0e1ac27c0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-01-01T23:03:56Z",
    "title_canon_sha256": "bc3677df45788c8e8fcba1559e0979e219bd40878c14bf9847e3af04991cdef2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00276",
    "kind": "arxiv",
    "version": 2
  }
}