Pith Number

pith:TXRWEULZ

pith:2014:TXRWEULZTJWDTACHJNWFCJYNYB

not attested not anchored not stored refs pending

The Geometric Structure of Max-Plus Hemispaces

Daniel Ehrmann, Viorel Nitica, Zach Higgins

arxiv:1402.2857 v1 · 2014-02-12 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TXRWEULZTJWDTACHJNWFCJYNYB}

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	2026-05-18T02:59:17.136804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9de36251799a6c3980474b6c51270dc06bca6b1455a547e716d45a5c889d7b08

Aliases

arxiv: 1402.2857 · arxiv_version: 1402.2857v1 · doi: 10.48550/arxiv.1402.2857 · pith_short_12: TXRWEULZTJWD · pith_short_16: TXRWEULZTJWDTACH · pith_short_8: TXRWEULZ

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/TXRWEULZTJWDTACHJNWFCJYNYB \
  | 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: 9de36251799a6c3980474b6c51270dc06bca6b1455a547e716d45a5c889d7b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0d4c481a464ad405e2488f2d0e5f68b38e2811c4041d88e491e2bab8a4910b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-02-12T15:42:26Z",
    "title_canon_sha256": "48df413d04a6c812b513f973baaa1fe21dd1e90ccda65627f076c92f9912daae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2857",
    "kind": "arxiv",
    "version": 1
  }
}