Pith Number

pith:22GWIQL5

pith:2017:22GWIQL52Q3FA3KHAQFUQZAKC2

not attested not anchored not stored refs pending

Mapping the Davis complex into the imaginary cone

Lawrence Reeves, Xiang Fu

arxiv:1705.04837 v1 · 2017-05-13 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22GWIQL52Q3FA3KHAQFUQZAKC2}

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	2026-05-18T00:44:34.518095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d68d64417dd436506d47040b48640a16a959cb27fc91d993d6c901eea0768f50

Aliases

arxiv: 1705.04837 · arxiv_version: 1705.04837v1 · doi: 10.48550/arxiv.1705.04837 · pith_short_12: 22GWIQL52Q3F · pith_short_16: 22GWIQL52Q3FA3KH · pith_short_8: 22GWIQL5

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/22GWIQL52Q3FA3KHAQFUQZAKC2 \
  | 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: d68d64417dd436506d47040b48640a16a959cb27fc91d993d6c901eea0768f50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c6fbb9bd1f5bb096d16de66a5d941c6788fee9636e99906aa6dc3aeedb7749e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-05-13T14:42:40Z",
    "title_canon_sha256": "1c694f5b2f0697f9fc4e5c3a04ae1aed19f571dbd2c8f0cde2086610416fc93a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04837",
    "kind": "arxiv",
    "version": 1
  }
}