Pith Number

pith:HMYDPXLM

pith:2017:HMYDPXLMSWNG72ML2ZVAV3P7UL

not attested not anchored not stored refs pending

Generalization of a theorem of Zippin

Andras Zsak, Petr Hajek, Thomas Schlumprecht

arxiv:1705.10663 v1 · 2017-05-30 · 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{HMYDPXLMSWNG72ML2ZVAV3P7UL}

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	2026-05-18T00:43:23.861674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b3037dd6c959a6fe98bd66a0aedffa2ca17a4b5fdf02cdf35ccb9372c7fdee1

Aliases

arxiv: 1705.10663 · arxiv_version: 1705.10663v1 · doi: 10.48550/arxiv.1705.10663 · pith_short_12: HMYDPXLMSWNG · pith_short_16: HMYDPXLMSWNG72ML · pith_short_8: HMYDPXLM

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/HMYDPXLMSWNG72ML2ZVAV3P7UL \
  | 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: 3b3037dd6c959a6fe98bd66a0aedffa2ca17a4b5fdf02cdf35ccb9372c7fdee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adc2fb56e9a5ac00604c3435e0f9b796188f5ea1f200277282151939825edf63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-05-30T14:18:33Z",
    "title_canon_sha256": "445b252dd251474d3156c179d20ddf03324a03537396d07356fa01fb9790d541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10663",
    "kind": "arxiv",
    "version": 1
  }
}