Pith Number

pith:5NTXAQ6L

pith:2017:5NTXAQ6LRO2NE4QM4FW3EX744Y

not attested not anchored not stored refs pending

Homotopically rigid Sullivan algebras and Their applications

Antonio Viruel, Cristina Costoya, David M\'endez

arxiv:1701.03705 v2 · 2017-01-13 · math.AT · 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{5NTXAQ6LRO2NE4QM4FW3EX744Y}

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	2026-05-17T23:49:53.315845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb677043cb8bb4d2720ce16db25ffce60f091dac0be8f74d5da9b1b0dd8978c1

Aliases

arxiv: 1701.03705 · arxiv_version: 1701.03705v2 · doi: 10.48550/arxiv.1701.03705 · pith_short_12: 5NTXAQ6LRO2N · pith_short_16: 5NTXAQ6LRO2NE4QM · pith_short_8: 5NTXAQ6L

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/5NTXAQ6LRO2NE4QM4FW3EX744Y \
  | 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: eb677043cb8bb4d2720ce16db25ffce60f091dac0be8f74d5da9b1b0dd8978c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b35ee4872cf125ac971412b5366cd8e847500ef9d22ec28ce59230d688b5b1d",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-01-13T15:56:02Z",
    "title_canon_sha256": "9f5ff017c343358e4318a072de088ad2b83c89686ec7302075429f65f8e4904e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03705",
    "kind": "arxiv",
    "version": 2
  }
}