Pith Number

pith:RKJ7UERC

pith:2010:RKJ7UERCBMFMEPPFFAAVAB4AH2

not attested not anchored not stored refs pending

Signatures of hermitian forms and the Knebusch Trace Formula

Thomas Unger, Vincent Astier

arxiv:1003.0956 v8 · 2010-03-04 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKJ7UERCBMFMEPPFFAAVAB4AH2}

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	2026-05-18T00:21:29.768056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a93fa12220b0ac23de528015007803e95be639bcd39d472d8601f3d7db4cf8a

Aliases

arxiv: 1003.0956 · arxiv_version: 1003.0956v8 · doi: 10.48550/arxiv.1003.0956 · pith_short_12: RKJ7UERCBMFM · pith_short_16: RKJ7UERCBMFMEPPF · pith_short_8: RKJ7UERC

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/RKJ7UERCBMFMEPPFFAAVAB4AH2 \
  | 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: 8a93fa12220b0ac23de528015007803e95be639bcd39d472d8601f3d7db4cf8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "193c5344fc156ffac32480b2ee6f7e02f99a606730148bc1e4c2d94583559536",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2010-03-04T20:49:46Z",
    "title_canon_sha256": "c12f3633e3c63cf05ef7dff3ca81246adb071432b771d98fca3c8cd9f3bdb374"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0956",
    "kind": "arxiv",
    "version": 8
  }
}