Pith Number

pith:TMAEUI7H

pith:2009:TMAEUI7HSP3QARQUZMUZMWD6MH

not attested not anchored not stored refs pending

Bundles, Cohomology and Truncated Symmetric Polynomials

Alejandro Adem, Zinovy Reichstein

arxiv:0906.4799 v2 · 2009-06-25 · math.AT · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TMAEUI7HSP3QARQUZMUZMWD6MH}

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	2026-05-18T00:50:24.224982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b004a23e793f7004614cb2996587e61c07cef7e4f504a83427046b234c0496b

Aliases

arxiv: 0906.4799 · arxiv_version: 0906.4799v2 · doi: 10.48550/arxiv.0906.4799 · pith_short_12: TMAEUI7HSP3Q · pith_short_16: TMAEUI7HSP3QARQU · pith_short_8: TMAEUI7H

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/TMAEUI7HSP3QARQUZMUZMWD6MH \
  | 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: 9b004a23e793f7004614cb2996587e61c07cef7e4f504a83427046b234c0496b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f414b4523f1163a66be18addacf258bd27f32fa0867847dbd9a2a61677a7ca4",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2009-06-25T21:02:29Z",
    "title_canon_sha256": "375acf106ef7a06aa27d884f93a82e25a02032a21dbc2907352d2b4765de17e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4799",
    "kind": "arxiv",
    "version": 2
  }
}