Pith Number

pith:D5CV5EDR

pith:2014:D5CV5EDRIIX2JESCYWAZ6364WW

not attested not anchored not stored refs pending

Routh's Theorem for Tetrahedra

Franti\v{s}ek Marko, Semyon Litvinov

arxiv:1405.4418 v1 · 2014-05-17 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5CV5EDRIIX2JESCYWAZ6364WW}

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	2026-05-18T02:51:40.947940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f455e9071422fa49242c5819f6fdcb5ab5751fe3a9e6aa24d84b02045e878d8

Aliases

arxiv: 1405.4418 · arxiv_version: 1405.4418v1 · doi: 10.48550/arxiv.1405.4418 · pith_short_12: D5CV5EDRIIX2 · pith_short_16: D5CV5EDRIIX2JESC · pith_short_8: D5CV5EDR

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/D5CV5EDRIIX2JESCYWAZ6364WW \
  | 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: 1f455e9071422fa49242c5819f6fdcb5ab5751fe3a9e6aa24d84b02045e878d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c29a26a8a4fa7d55907950a00ffa29ee40145b90d70cc207003a10b42b8d5a16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2014-05-17T17:09:01Z",
    "title_canon_sha256": "a1068167e60e2efc5f3d1bcc0500b1442fc372eb790cf84652abe33996e89f2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4418",
    "kind": "arxiv",
    "version": 1
  }
}