Pith Number

pith:BJW7QOQM

pith:2014:BJW7QOQMBNIMGAX5QNOYRNWKBK

not attested not anchored not stored refs pending

Gaussian elimination in unitary groups with an application to cryptography

Anupam Singh, Ayan Mahalanobis

arxiv:1409.6136 v2 · 2014-09-22 · math.GR · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJW7QOQMBNIMGAX5QNOYRNWKBK}

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	2026-05-18T01:27:54.639921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a6df83a0c0b50c302fd835d88b6ca0a8c0748caa5a6487840cc9b161169370d

Aliases

arxiv: 1409.6136 · arxiv_version: 1409.6136v2 · doi: 10.48550/arxiv.1409.6136 · pith_short_12: BJW7QOQMBNIM · pith_short_16: BJW7QOQMBNIMGAX5 · pith_short_8: BJW7QOQM

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/BJW7QOQMBNIMGAX5QNOYRNWKBK \
  | 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: 0a6df83a0c0b50c302fd835d88b6ca0a8c0748caa5a6487840cc9b161169370d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c09b110ca66cf845dadf7d19ad4a17d1e6262a04bf04cd1496c3c6493513372",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-09-22T10:42:07Z",
    "title_canon_sha256": "40faf4a039b7e59451a7de00d26f913ebad8d291998bb2a72c3a38d1978f3bca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6136",
    "kind": "arxiv",
    "version": 2
  }
}