Pith Number

pith:M4E4YFC7

pith:2016:M4E4YFC7OI5WWTMSVL3J7ALX7T

not attested not anchored not stored refs pending

Metrizable DH-spaces with a dense complete subset

Sergey Medvedev

arxiv:1601.03798 v1 · 2016-01-15 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4E4YFC7OI5WWTMSVL3J7ALX7T}

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	2026-05-18T01:22:50.013083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6709cc145f723b6b4d92aaf69f8177fce614c063cf98006dfca27ff9ad64dbbc

Aliases

arxiv: 1601.03798 · arxiv_version: 1601.03798v1 · doi: 10.48550/arxiv.1601.03798 · pith_short_12: M4E4YFC7OI5W · pith_short_16: M4E4YFC7OI5WWTMS · pith_short_8: M4E4YFC7

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/M4E4YFC7OI5WWTMSVL3J7ALX7T \
  | 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: 6709cc145f723b6b4d92aaf69f8177fce614c063cf98006dfca27ff9ad64dbbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d423f529c8763f2daafbc7f17b55dc0742a01a9c3be01245d4f9070b72cbe952",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2016-01-15T02:33:01Z",
    "title_canon_sha256": "4c86c94b644d2c47e3444565eb6417ba298dc3547d95fc75ce801b0fffb8b2b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03798",
    "kind": "arxiv",
    "version": 1
  }
}