Pith Number

pith:2RVH6M5O

pith:2019:2RVH6M5O3MUNT2G6WHCKB7AJLV

not attested not anchored not stored refs pending

Deformation Theories Controlled by Hochschild Cohomologies

Jacob Laubacher, Samuel A. Hokamp, Samuel Carolus

arxiv:1908.01846 v1 · 2019-08-05 · 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{2RVH6M5O3MUNT2G6WHCKB7AJLV}

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	2026-07-04T23:51:48.342234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d46a7f33aedb28d9e8deb1c4a0fc095d4621f9aad357704bd3afd6083532940b

Aliases

arxiv: 1908.01846 · arxiv_version: 1908.01846v1 · doi: 10.48550/arxiv.1908.01846 · pith_short_12: 2RVH6M5O3MUN · pith_short_16: 2RVH6M5O3MUNT2G6 · pith_short_8: 2RVH6M5O

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/2RVH6M5O3MUNT2G6WHCKB7AJLV \
  | 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: d46a7f33aedb28d9e8deb1c4a0fc095d4621f9aad357704bd3afd6083532940b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9071590a4d64710ac64d0cffdac5f25cfa2790dc96c21982f19753d8b69186fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-08-05T20:29:03Z",
    "title_canon_sha256": "f768613b8bca196f8e1ae10ee89bbfa9f59a6b7f3e2674f35141232943ebe769"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01846",
    "kind": "arxiv",
    "version": 1
  }
}