Pith Number

pith:EGOXO2XB

pith:2012:EGOXO2XB3SLHMBHUUIT5AOL5E2

not attested not anchored not stored refs pending

Formal Hecke algebras and algebraic oriented cohomology theories

Alex Hoffnung, Alistair Savage, Jos\'e Malag\'on-Lopez, Kirill Zainoulline

arxiv:1208.4114 v4 · 2012-08-20 · math.RA · math.AG · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGOXO2XB3SLHMBHUUIT5AOL5E2}

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	2026-05-18T01:27:15.529387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

219d776ae1dc967604f4a227d0397d26813cd2a9344a94b3f40ca46ef3c8eaa9

Aliases

arxiv: 1208.4114 · arxiv_version: 1208.4114v4 · doi: 10.48550/arxiv.1208.4114 · pith_short_12: EGOXO2XB3SLH · pith_short_16: EGOXO2XB3SLHMBHU · pith_short_8: EGOXO2XB

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/EGOXO2XB3SLHMBHUUIT5AOL5E2 \
  | 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: 219d776ae1dc967604f4a227d0397d26813cd2a9344a94b3f40ca46ef3c8eaa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8315b169dc68a75d0019ab0912cbda1c450402e06e7a72473b45a36205100ed4",
    "cross_cats_sorted": [
      "math.AG",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-08-20T20:05:47Z",
    "title_canon_sha256": "884c1f43f0f34238a3e0eee75314066155b9f6cea062d77619be01bc57cea1b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4114",
    "kind": "arxiv",
    "version": 4
  }
}