Pith Number

pith:IAFHRQST

pith:2016:IAFHRQSTNKDQL5K6P2OASD2V5I

not attested not anchored not stored refs pending

Problems of unique determination of domains by the relative metrics on their boundaries

Anatoly P. Kopylov

arxiv:1608.04270 v4 · 2016-08-15 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAFHRQSTNKDQL5K6P2OASD2V5I}

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	2026-05-18T00:55:20.847823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

400a78c2536a8705f55e7e9c090f55ea1373c2ba1ac0d82ae9b707c13debde3f

Aliases

arxiv: 1608.04270 · arxiv_version: 1608.04270v4 · doi: 10.48550/arxiv.1608.04270 · pith_short_12: IAFHRQSTNKDQ · pith_short_16: IAFHRQSTNKDQL5K6 · pith_short_8: IAFHRQST

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/IAFHRQSTNKDQL5K6P2OASD2V5I \
  | 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: 400a78c2536a8705f55e7e9c090f55ea1373c2ba1ac0d82ae9b707c13debde3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ef59f133a5ed557e274f04bb85a80e0cad4399660eb687f4ffb4750bf9d1f5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-08-15T13:58:19Z",
    "title_canon_sha256": "a198f7a9fe1fa7a37ddee0617d991ef87f880658e423f078b1512e23796af59a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04270",
    "kind": "arxiv",
    "version": 4
  }
}