Pith Number

pith:STD2PRLH

pith:2011:STD2PRLHYGALD7VBVRMGWBLAKN

not attested not anchored not stored refs pending

Toric Topology. Chapter 2: Combinatorial structures

Taras Panov, Victor Buchstaber

arxiv:1102.1081 v2 · 2011-02-05 · math.AT · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STD2PRLHYGALD7VBVRMGWBLAKN}

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	2026-05-18T03:43:42.643101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94c7a7c567c180b1fea1ac586b0560537b2b0913165d357c1a69fba43cae587b

Aliases

arxiv: 1102.1081 · arxiv_version: 1102.1081v2 · doi: 10.48550/arxiv.1102.1081 · pith_short_12: STD2PRLHYGAL · pith_short_16: STD2PRLHYGALD7VB · pith_short_8: STD2PRLH

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/STD2PRLHYGALD7VBVRMGWBLAKN \
  | 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: 94c7a7c567c180b1fea1ac586b0560537b2b0913165d357c1a69fba43cae587b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c2dd315c0b278ee19434d54ec794866900d6d3a53ed69866853c797df8d9a9c",
    "cross_cats_sorted": [
      "math.CO",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-02-05T15:44:18Z",
    "title_canon_sha256": "82434a45df9d0901cbf11d17d6e7c35695edb8c9fe8aa521a1d7bd350094690c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1081",
    "kind": "arxiv",
    "version": 2
  }
}