Pith Number

pith:TKUG3RTI

pith:2013:TKUG3RTI5K6GTRQMYHTRPNJK2O

not attested not anchored not stored refs pending

Adjacency preservers on invertible hermitian matrices II

Marko Orel

arxiv:1307.3484 v1 · 2013-07-10 · 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{TKUG3RTI5K6GTRQMYHTRPNJK2O}

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	2026-05-18T01:17:53.502061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aa86dc668eabc69c60cc1e717b52ad3ac5942b59db6118f27c9b0034f9da514

Aliases

arxiv: 1307.3484 · arxiv_version: 1307.3484v1 · doi: 10.48550/arxiv.1307.3484 · pith_short_12: TKUG3RTI5K6G · pith_short_16: TKUG3RTI5K6GTRQM · pith_short_8: TKUG3RTI

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/TKUG3RTI5K6GTRQMYHTRPNJK2O \
  | 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: 9aa86dc668eabc69c60cc1e717b52ad3ac5942b59db6118f27c9b0034f9da514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75b9da19e7894106e194c2ae69589f013fa4e08162c0bb5e4688e9cc234a82d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-07-10T01:42:25Z",
    "title_canon_sha256": "fd4f4d499932ba9349e38303d3a52d3cf7139dea4aa146f0e8abd33cc1a120bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3484",
    "kind": "arxiv",
    "version": 1
  }
}