Pith Number

pith:SPINXYI3

pith:2012:SPINXYI3KNGTVK4Y7XELCCH2YQ

not attested not anchored not stored refs pending

Some geometric equivariant cohomology theories

Haggai Tene

arxiv:1210.7923 v2 · 2012-10-30 · 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{SPINXYI3KNGTVK4Y7XELCCH2YQ}

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	2026-05-18T03:02:57.426165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d0dbe11b534d3aab98fdc8b108fac40ebe3482194485d33591960f886e0db1

Aliases

arxiv: 1210.7923 · arxiv_version: 1210.7923v2 · doi: 10.48550/arxiv.1210.7923 · pith_short_12: SPINXYI3KNGT · pith_short_16: SPINXYI3KNGTVK4Y · pith_short_8: SPINXYI3

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/SPINXYI3KNGTVK4Y7XELCCH2YQ \
  | 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: 93d0dbe11b534d3aab98fdc8b108fac40ebe3482194485d33591960f886e0db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49651725d4298fc0681d1ebfd5e8e1f465aa02b74aa6eaf6fcf113304ad7ae65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-10-30T08:18:18Z",
    "title_canon_sha256": "a091790c09b1faf70bbdefc32bcbb839018cb38c60488e3e4f6174d2f942ca45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7923",
    "kind": "arxiv",
    "version": 2
  }
}