Pith Number

pith:PRDY4GG4

pith:2012:PRDY4GG4ZOBMYACWG6HOEWMDMX

not attested not anchored not stored refs pending

Sesquilinear forms over rings with involution

Daniel Moldovan, Eva Bayer-Fluckiger

arxiv:1301.0003 v2 · 2012-12-29 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRDY4GG4ZOBMYACWG6HOEWMDMX}

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	2026-05-18T03:25:05.742475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c478e18dccb82cc0056378ee2598365e5cb0418b918f6a557bb9f40e7dbfa0f

Aliases

arxiv: 1301.0003 · arxiv_version: 1301.0003v2 · doi: 10.48550/arxiv.1301.0003 · pith_short_12: PRDY4GG4ZOBM · pith_short_16: PRDY4GG4ZOBMYACW · pith_short_8: PRDY4GG4

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/PRDY4GG4ZOBMYACWG6HOEWMDMX \
  | 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: 7c478e18dccb82cc0056378ee2598365e5cb0418b918f6a557bb9f40e7dbfa0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e42d6125ad1ea43cbfa9beaa1161e321666626564e657355fa40f4d5abf65754",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2012-12-29T08:27:50Z",
    "title_canon_sha256": "24b2f7651a8ed869bd6d304345b315d6c4d6dc382995dee00695ae40d95ea144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0003",
    "kind": "arxiv",
    "version": 2
  }
}