Pith Number

pith:DJRRIEI5

pith:2013:DJRRIEI5VAPSXHWBSMWDYIGHGY

not attested not anchored not stored refs pending

A variant of K-theory and topological T-duality for Real circle bundles

Kiyonori Gomi

arxiv:1310.8446 v1 · 2013-10-31 · math.AT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJRRIEI5VAPSXHWBSMWDYIGHGY}

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	2026-05-18T01:46:40.630325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a6314111da81f2b9ec1932c3c20c73618ffe09572b2f53db7d47a287423d25a

Aliases

arxiv: 1310.8446 · arxiv_version: 1310.8446v1 · doi: 10.48550/arxiv.1310.8446 · pith_short_12: DJRRIEI5VAPS · pith_short_16: DJRRIEI5VAPSXHWB · pith_short_8: DJRRIEI5

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/DJRRIEI5VAPSXHWBSMWDYIGHGY \
  | 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: 1a6314111da81f2b9ec1932c3c20c73618ffe09572b2f53db7d47a287423d25a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5aae8dcdc89ef9b5122c47a9300c13ca0801ec0a2c9ae21116c2a5509106d79",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-10-31T10:20:23Z",
    "title_canon_sha256": "a5a4476a1f782f3a77ef6e7d01f80a248fee93e0f4fc1a2b54c15454e1bb6be8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8446",
    "kind": "arxiv",
    "version": 1
  }
}