Pith Number

pith:QGAJ37EQ

pith:2018:QGAJ37EQ54BW5NJ4OB7CHYG24N

not attested not anchored not stored refs pending

Coherent actions by homeomorphisms on the real line or an interval

Yash Lodha

arxiv:1802.09429 v1 · 2018-02-26 · 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{QGAJ37EQ54BW5NJ4OB7CHYG24N}

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	2026-05-18T00:22:33.723574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81809dfc90ef036eb53c707e23e0dae36586163af8e78dae144ff0c12942e75a

Aliases

arxiv: 1802.09429 · arxiv_version: 1802.09429v1 · doi: 10.48550/arxiv.1802.09429 · pith_short_12: QGAJ37EQ54BW · pith_short_16: QGAJ37EQ54BW5NJ4 · pith_short_8: QGAJ37EQ

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/QGAJ37EQ54BW5NJ4OB7CHYG24N \
  | 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: 81809dfc90ef036eb53c707e23e0dae36586163af8e78dae144ff0c12942e75a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdf5df4381aabb596e563f8af4ac12e47091599911131d02c4b82302a95626e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-02-26T16:15:50Z",
    "title_canon_sha256": "2f6185c7ca8d353e08f5b732e5df34069db321d7270a8828484bf091217ad1a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09429",
    "kind": "arxiv",
    "version": 1
  }
}