Pith Number

pith:DUFVXHTG

pith:2015:DUFVXHTGWTY5ZH754OJEBKE6PG

not attested not anchored not stored refs pending

Cryptographic protocols based on Nielsen transformations

Anja I. S. Moldenhauer, Gerhard Rosenberger

arxiv:1504.03141 v1 · 2015-04-13 · 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{DUFVXHTGWTY5ZH754OJEBKE6PG}

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	2026-05-18T02:18:59.080001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d0b5b9e66b4f1dc9ffde39240a89e79b8a9a12ebb7f4f032c2a686949a1ee96

Aliases

arxiv: 1504.03141 · arxiv_version: 1504.03141v1 · doi: 10.48550/arxiv.1504.03141 · pith_short_12: DUFVXHTGWTY5 · pith_short_16: DUFVXHTGWTY5ZH75 · pith_short_8: DUFVXHTG

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/DUFVXHTGWTY5ZH754OJEBKE6PG \
  | 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: 1d0b5b9e66b4f1dc9ffde39240a89e79b8a9a12ebb7f4f032c2a686949a1ee96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d99ab4e4bfbcbb220b61ef5e1265fd378f60f13cc97db8c5bb256523f6a2559",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-04-13T11:40:47Z",
    "title_canon_sha256": "d568adbd957ed96d4e667f290808c1fb24d5eed08b89203c4303dcf6e81205ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03141",
    "kind": "arxiv",
    "version": 1
  }
}