Pith Number

pith:CYIQPXWY

pith:2014:CYIQPXWY36K6EPV7NCXIZI7SE6

not attested not anchored not stored refs pending

Degree Bounds on Homology and a Conjecture of Derksen

Marc Chardin, Peter Symonds

arxiv:1410.0150 v1 · 2014-10-01 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYIQPXWY36K6EPV7NCXIZI7SE6}

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	2026-05-18T02:41:17.897376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

161107ded8df95e23ebf68ae8ca3f227a7b804e69ae98f1b5607b5a8ff045e8d

Aliases

arxiv: 1410.0150 · arxiv_version: 1410.0150v1 · doi: 10.48550/arxiv.1410.0150 · pith_short_12: CYIQPXWY36K6 · pith_short_16: CYIQPXWY36K6EPV7 · pith_short_8: CYIQPXWY

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/CYIQPXWY36K6EPV7NCXIZI7SE6 \
  | 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: 161107ded8df95e23ebf68ae8ca3f227a7b804e69ae98f1b5607b5a8ff045e8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbb188dcc96ceaa0f441f109182c343a2e6c3887cb3e5496f8a22cc9e50b9a79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2014-10-01T09:00:56Z",
    "title_canon_sha256": "b14acc3f581abffbe655b20fb04296b5c9afa9ecc66cdd686299655a57bf7e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0150",
    "kind": "arxiv",
    "version": 1
  }
}