Pith Number

pith:Q2A2S7V4

pith:2017:Q2A2S7V4ZN3TU6AYWOCVWZ5VD2

not attested not anchored not stored refs pending

Operations with slicely countably determined sets

Antonio P\'erez, Dirk Werner, Vladimir Kadets

arxiv:1708.05218 v2 · 2017-08-17 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2A2S7V4ZN3TU6AYWOCVWZ5VD2}

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	2026-05-18T00:32:00.962546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8681a97ebccb773a7818b3855b67b51ebe5563746ee6c6b5d7bcfb7a1a6f545c

Aliases

arxiv: 1708.05218 · arxiv_version: 1708.05218v2 · doi: 10.48550/arxiv.1708.05218 · pith_short_12: Q2A2S7V4ZN3T · pith_short_16: Q2A2S7V4ZN3TU6AY · pith_short_8: Q2A2S7V4

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/Q2A2S7V4ZN3TU6AYWOCVWZ5VD2 \
  | 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: 8681a97ebccb773a7818b3855b67b51ebe5563746ee6c6b5d7bcfb7a1a6f545c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a118e65df2be346b1c597d396bf4d501e48ce185207036d8fd6f326c327d21d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-08-17T12:10:50Z",
    "title_canon_sha256": "5a9de8b4e53f597cdf5dae6f59b4602587dfb55d16708721d070112c3b101d6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05218",
    "kind": "arxiv",
    "version": 2
  }
}