Pith Number

pith:BZQORHH5

pith:2016:BZQORHH56CSW5MW6IQ7KSC5ZOV

not attested not anchored not stored refs pending

Conjugacy search problem and the Andrews-Curtis conjecture

Alexander Ushakov, Dmitry Panteleev

arxiv:1609.00325 v1 · 2016-09-01 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZQORHH56CSW5MW6IQ7KSC5ZOV}

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	2026-05-18T01:06:25.138010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e60e89cfdf0a56eb2de443ea90bb9754d757a3f87555d697b9502a47b8619f8

Aliases

arxiv: 1609.00325 · arxiv_version: 1609.00325v1 · doi: 10.48550/arxiv.1609.00325 · pith_short_12: BZQORHH56CSW · pith_short_16: BZQORHH56CSW5MW6 · pith_short_8: BZQORHH5

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/BZQORHH56CSW5MW6IQ7KSC5ZOV \
  | 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: 0e60e89cfdf0a56eb2de443ea90bb9754d757a3f87555d697b9502a47b8619f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a9eb9ad8f6aa7e7fd1b6bb98a030d3a87ab3cd6162c0e003ae536f722fd9848",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-09-01T17:46:21Z",
    "title_canon_sha256": "d685cc457eaf6be3df15301ce0772655a2aac3fb3196f099d9ef323e1003db62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00325",
    "kind": "arxiv",
    "version": 1
  }
}