Pith Number

pith:EGZMT2UG

pith:2017:EGZMT2UG7WX5OWRD7HUBBLWS2R

not attested not anchored not stored refs pending

On the asynchronous rational group

Francesco Matucci, James Belk, James Hyde

arxiv:1711.01668 v1 · 2017-11-05 · 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{EGZMT2UG7WX5OWRD7HUBBLWS2R}

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	2026-05-18T00:31:17.176694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b2c9ea86fdafd75a23f9e810aed2d446ef1e55da0c6e40ca81dc52706208fa

Aliases

arxiv: 1711.01668 · arxiv_version: 1711.01668v1 · doi: 10.48550/arxiv.1711.01668 · pith_short_12: EGZMT2UG7WX5 · pith_short_16: EGZMT2UG7WX5OWRD · pith_short_8: EGZMT2UG

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/EGZMT2UG7WX5OWRD7HUBBLWS2R \
  | 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: 21b2c9ea86fdafd75a23f9e810aed2d446ef1e55da0c6e40ca81dc52706208fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "805611dda35a8d24748c1be61eb2da5e3d95352d4c35b5a86602f2c263449fb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-11-05T22:13:35Z",
    "title_canon_sha256": "071b6c58e52ac3d6f07a4186f604a0d4a9b6bf03a0aa3773fe3784e9e11f1157"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01668",
    "kind": "arxiv",
    "version": 1
  }
}