Pith Number

pith:EJKMOCPV

pith:2019:EJKMOCPVFD67IYDSYPJV3QAEP3

not attested not anchored not stored refs pending

On the local and boundary behavior of mappings on factor-spaces

Evgeny Sevost'yanov

arxiv:1905.06414 v2 · 2019-05-15 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJKMOCPVFD67IYDSYPJV3QAEP3}

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	2026-05-17T23:44:06.810202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2254c709f528fdf46072c3d35dc0047ecc1920057e1a38a40121aa0e66ca9044

Aliases

arxiv: 1905.06414 · arxiv_version: 1905.06414v2 · doi: 10.48550/arxiv.1905.06414 · pith_short_12: EJKMOCPVFD67 · pith_short_16: EJKMOCPVFD67IYDS · pith_short_8: EJKMOCPV

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/EJKMOCPVFD67IYDSYPJV3QAEP3 \
  | 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: 2254c709f528fdf46072c3d35dc0047ecc1920057e1a38a40121aa0e66ca9044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36942cf9e01bfdded4c561b810be6d25b9c51f4267cccdb85223970f81f1f57e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-05-15T20:00:20Z",
    "title_canon_sha256": "c2e90901a6072af458117d9461dd81399a26a20d4b6f54c55d1d19d65c063c4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06414",
    "kind": "arxiv",
    "version": 2
  }
}