Pith Number

pith:HVSYAHQG

pith:2014:HVSYAHQGFXXAWSXZYNZXFVBN2Q

not attested not anchored not stored refs pending

Spin-structures and proper group actions

Peter Hochs, Varghese Mathai

arxiv:1411.0781 v3 · 2014-11-04 · 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{HVSYAHQGFXXAWSXZYNZXFVBN2Q}

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	2026-05-18T01:21:37.833878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d65801e062dee0b4af9c37372d42dd40941ba73a69f3f40e1ca44ceb4b2833d

Aliases

arxiv: 1411.0781 · arxiv_version: 1411.0781v3 · doi: 10.48550/arxiv.1411.0781 · pith_short_12: HVSYAHQGFXXA · pith_short_16: HVSYAHQGFXXAWSXZ · pith_short_8: HVSYAHQG

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/HVSYAHQGFXXAWSXZYNZXFVBN2Q \
  | 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: 3d65801e062dee0b4af9c37372d42dd40941ba73a69f3f40e1ca44ceb4b2833d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbb2f0fee4eca144f132c90f4cbd7026d7e62696af054da1f6de69f5a9814e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-11-04T04:13:20Z",
    "title_canon_sha256": "2b75c6a60123822bda888f725e64d4f8991f33c3c5fd46c82c7bf830e9210215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0781",
    "kind": "arxiv",
    "version": 3
  }
}