Pith Number

pith:RMHTDSKT

pith:2014:RMHTDSKTKFNBMEE57EDKRJNF6Q

not attested not anchored not stored refs pending

Stable homology over associative rings

Greg Piepmeyer, Lars Winther Christensen, Li Liang, Olgur Celikbas

arxiv:1409.3605 v2 · 2014-09-11 · math.RA · 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{RMHTDSKTKFNBMEE57EDKRJNF6Q}

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	2026-05-18T01:23:24.698088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b0f31c953515a16109df906a8a5a5f41f55e9ff85a3bfb98e7c50a7508cc615

Aliases

arxiv: 1409.3605 · arxiv_version: 1409.3605v2 · doi: 10.48550/arxiv.1409.3605 · pith_short_12: RMHTDSKTKFNB · pith_short_16: RMHTDSKTKFNBMEE5 · pith_short_8: RMHTDSKT

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/RMHTDSKTKFNBMEE57EDKRJNF6Q \
  | 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: 8b0f31c953515a16109df906a8a5a5f41f55e9ff85a3bfb98e7c50a7508cc615

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c479a1fe94a8416dfa4d5fd1445df1046d4287160358de941df8c0146f3feefa",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-09-11T21:28:42Z",
    "title_canon_sha256": "62cf33e5b312e81143d21ecf02f42681730d6e167d1ca8b451f6cbbc2231e4fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3605",
    "kind": "arxiv",
    "version": 2
  }
}