Pith Number

pith:SCVFZZTX

pith:2012:SCVFZZTXTXSXURYLLEMEBQQ5ML

not attested not anchored not stored refs pending

Homotopy type theory and Voevodsky's univalent foundations

\'Alvaro Pelayo, Michael A. Warren

arxiv:1210.5658 v1 · 2012-10-20 · math.LO · cs.LO · 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{SCVFZZTXTXSXURYLLEMEBQQ5ML}

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	2026-05-18T03:42:43.420820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90aa5ce6779de57a470b591840c21d62fd62b902328c0727bda47b77745f05a5

Aliases

arxiv: 1210.5658 · arxiv_version: 1210.5658v1 · doi: 10.48550/arxiv.1210.5658 · pith_short_12: SCVFZZTXTXSX · pith_short_16: SCVFZZTXTXSXURYL · pith_short_8: SCVFZZTX

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/SCVFZZTXTXSXURYLLEMEBQQ5ML \
  | 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: 90aa5ce6779de57a470b591840c21d62fd62b902328c0727bda47b77745f05a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae3010e250c834e69fb3fecbed56a64aca645b0f6659425aaf43a994db74ce95",
    "cross_cats_sorted": [
      "cs.LO",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-10-20T21:35:06Z",
    "title_canon_sha256": "2920d852799038d7553c1d16fe74ec7f17c6c400181f78efd99b225dd2e125a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5658",
    "kind": "arxiv",
    "version": 1
  }
}