Pith Number

pith:7HFUVLY4

pith:2017:7HFUVLY4ZKCWJD2GTSPA5ND2CD

not attested not anchored not stored refs pending

Lattice envelopes

Alex Furman, Roman Sauer, Uri Bader

arxiv:1711.08410 v2 · 2017-11-22 · 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{7HFUVLY4ZKCWJD2GTSPA5ND2CD}

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	2026-05-18T00:10:22.284675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9cb4aaf1cca85648f469c9e0eb47a10e24ceefc98f76f09d19406abadc8f8bf

Aliases

arxiv: 1711.08410 · arxiv_version: 1711.08410v2 · doi: 10.48550/arxiv.1711.08410 · pith_short_12: 7HFUVLY4ZKCW · pith_short_16: 7HFUVLY4ZKCWJD2G · pith_short_8: 7HFUVLY4

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/7HFUVLY4ZKCWJD2GTSPA5ND2CD \
  | 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: f9cb4aaf1cca85648f469c9e0eb47a10e24ceefc98f76f09d19406abadc8f8bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f1d510486c7cba2781aff46c6023030f8789f6534d71c63ea66081eebb6289",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-11-22T17:36:11Z",
    "title_canon_sha256": "a7a2bea311fa217c8f9d6588c50379370fb2f5a8c55dff12631d94a631b5e657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08410",
    "kind": "arxiv",
    "version": 2
  }
}