Pith Number

pith:XLQSO2G2

pith:2015:XLQSO2G2USEDS7F5IAKSENUVZJ

not attested not anchored not stored refs pending

Almost Coquaternion Structure

Constantin Udriste

arxiv:1510.04840 v1 · 2015-10-16 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLQSO2G2USEDS7F5IAKSENUVZJ}

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	2026-05-18T01:30:00.494600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bae12768daa488397cbd4015223695ca73978e5adc9d80436bad814b4882e940

Aliases

arxiv: 1510.04840 · arxiv_version: 1510.04840v1 · doi: 10.48550/arxiv.1510.04840 · pith_short_12: XLQSO2G2USED · pith_short_16: XLQSO2G2USEDS7F5 · pith_short_8: XLQSO2G2

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/XLQSO2G2USEDS7F5IAKSENUVZJ \
  | 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: bae12768daa488397cbd4015223695ca73978e5adc9d80436bad814b4882e940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3ce3ff56bb879178860aa0a2ecb36f6ccedbabff8eb7c06e9fd1d59ce278147",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-10-16T11:17:28Z",
    "title_canon_sha256": "443a07092eb48cee341a697f7fe8c8e55188a46e9371e33abd9b1480a7e8fd11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04840",
    "kind": "arxiv",
    "version": 1
  }
}