Pith Number

pith:SQNPTTJA

pith:2003:SQNPTTJAZ4GBM5Z7QHWQHI46NV

not attested not anchored not stored refs pending

Two-vector bundles and forms of elliptic cohomology

Bj{\o}rn Ian Dundas, John Rognes, Nils A. Baas

arxiv:math/0306027 v1 · 2003-06-02 · math.AT · math-ph · math.KT · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQNPTTJAZ4GBM5Z7QHWQHI46NV}

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	2026-07-04T14:37:21.387409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

941af9cd20cf0c16773f81ed03a39e6d7525926264fb1efc215af7cf7d51e0c4

Aliases

arxiv: math/0306027 · arxiv_version: math/0306027v1 · doi: 10.48550/arxiv.math/0306027 · pith_short_12: SQNPTTJAZ4GB · pith_short_16: SQNPTTJAZ4GBM5Z7 · pith_short_8: SQNPTTJA

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/SQNPTTJAZ4GBM5Z7QHWQHI46NV \
  | 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: 941af9cd20cf0c16773f81ed03a39e6d7525926264fb1efc215af7cf7d51e0c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6969150e356b8e286c701e7c8aca79b9c30385ec01ada80de3660250c1659ab3",
    "cross_cats_sorted": [
      "math-ph",
      "math.KT",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2003-06-02T07:37:34Z",
    "title_canon_sha256": "7591f42a07cd67bdf9d5a4c3499c7b84e29ee4e0db9ce49c6ebe0359f7f1f172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0306027",
    "kind": "arxiv",
    "version": 1
  }
}