Pith Number

pith:FWXXIUG2

pith:2018:FWXXIUG2YOAS7SYE7THNMTKB4S

not attested not anchored not stored refs pending

On the Structure of Isometrically Embeddable Metric Spaces

Carlos Ortiz Marrero, Kathleen Nowak, Stephen J. Young

arxiv:1808.10509 v1 · 2018-08-30 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWXXIUG2YOAS7SYE7THNMTKB4S}

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	2026-05-18T00:06:45.481830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2daf7450dac3812fcb04fcced64d41e4b3dcae30ca06ff38d7cfabda92f325f4

Aliases

arxiv: 1808.10509 · arxiv_version: 1808.10509v1 · doi: 10.48550/arxiv.1808.10509 · pith_short_12: FWXXIUG2YOAS · pith_short_16: FWXXIUG2YOAS7SYE · pith_short_8: FWXXIUG2

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/FWXXIUG2YOAS7SYE7THNMTKB4S \
  | 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: 2daf7450dac3812fcb04fcced64d41e4b3dcae30ca06ff38d7cfabda92f325f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64bc38f7adfd161293b10a5ea06625976a9ea42acf4222033eccd6d302337536",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-08-30T20:35:49Z",
    "title_canon_sha256": "a68a574fd695bde3cd5fbcae540fac9524d86ad850bf5d9297207a56a7764968"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10509",
    "kind": "arxiv",
    "version": 1
  }
}