Pith Number

pith:YTOF5G4G

pith:2014:YTOF5G4GCUVWVROU4T7VLJM2FU

not attested not anchored not stored refs pending

Extending Smooth Cyclic Group Actions on the Poincare Homology Sphere

Nima Anvari

arxiv:1401.1039 v1 · 2014-01-06 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTOF5G4GCUVWVROU4T7VLJM2FU}

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	2026-05-18T01:19:30.986501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4dc5e9b86152b6ac5d4e4ff55a59a2d2398037dd87dac79441e52b691ba77f7

Aliases

arxiv: 1401.1039 · arxiv_version: 1401.1039v1 · doi: 10.48550/arxiv.1401.1039 · pith_short_12: YTOF5G4GCUVW · pith_short_16: YTOF5G4GCUVWVROU · pith_short_8: YTOF5G4G

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/YTOF5G4GCUVWVROU4T7VLJM2FU \
  | 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: c4dc5e9b86152b6ac5d4e4ff55a59a2d2398037dd87dac79441e52b691ba77f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10242a75c3fb8a75f401d78bb345e99628415cd43eef31be6644792975d19251",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-01-06T11:00:31Z",
    "title_canon_sha256": "5437f29df4410154710b7a95bc1db4fdc5ec77a06813be5687d25b4b67dffae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1039",
    "kind": "arxiv",
    "version": 1
  }
}