Pith Number

pith:2SGYF5UZ

pith:2015:2SGYF5UZP7OQEWVG63HBMB7PAL

not attested not anchored not stored refs pending

Standard Polynomial Equations over Division Algebras

Adam Chapman, Casey Machen

arxiv:1508.00173 v3 · 2015-08-01 · 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{2SGYF5UZP7OQEWVG63HBMB7PAL}

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	2026-05-18T01:17:33.033430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d48d82f6997fdd025aa6f6ce1607ef02f8674dcd0858f385059dc0ec2f3fbc86

Aliases

arxiv: 1508.00173 · arxiv_version: 1508.00173v3 · doi: 10.48550/arxiv.1508.00173 · pith_short_12: 2SGYF5UZP7OQ · pith_short_16: 2SGYF5UZP7OQEWVG · pith_short_8: 2SGYF5UZ

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/2SGYF5UZP7OQEWVG63HBMB7PAL \
  | 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: d48d82f6997fdd025aa6f6ce1607ef02f8674dcd0858f385059dc0ec2f3fbc86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5594165d97db84e6d5d3f4a898160f6f1ae547b196fdab97ff905b239b2ac57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-08-01T23:23:16Z",
    "title_canon_sha256": "acac38161740c5b27ac61a8eb75a45b05c2bdf646b97c952b3d0e071c4f963ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00173",
    "kind": "arxiv",
    "version": 3
  }
}