Pith Number

pith:SPMU3K6M

pith:2016:SPMU3K6M4BB5LULM6JZHINDZTZ

not attested not anchored not stored refs pending

Polynomial-Sized Topological Approximations Using The Permutahedron

Aruni Choudhary, Michael Kerber, Sharath Raghvendra

arxiv:1601.02732 v2 · 2016-01-12 · cs.CG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPMU3K6M4BB5LULM6JZHINDZTZ}

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	2026-05-18T01:17:55.198103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d94dabcce043d5d16cf2727434799e58e7f6d935e11f952a0fdbe496ad92c4

Aliases

arxiv: 1601.02732 · arxiv_version: 1601.02732v2 · doi: 10.48550/arxiv.1601.02732 · pith_short_12: SPMU3K6M4BB5 · pith_short_16: SPMU3K6M4BB5LULM · pith_short_8: SPMU3K6M

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/SPMU3K6M4BB5LULM6JZHINDZTZ \
  | 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: 93d94dabcce043d5d16cf2727434799e58e7f6d935e11f952a0fdbe496ad92c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f79e33296c04fe50b1ff11812faa55392a2c6b6ccf676df90e10357abeeaa3",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-01-12T05:27:41Z",
    "title_canon_sha256": "4eefc55ba55976def460023fff26d3425be0b7af36f067d3543631d803b75e0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02732",
    "kind": "arxiv",
    "version": 2
  }
}