Pith Number

pith:URFMGQAG

pith:2016:URFMGQAGZVNV3J3J4OLBGFKVGD

not attested not anchored not stored refs pending

Simplification Rules for Birdtrack Operators

Heribert Weigert, Judith Alcock-Zeilinger

arxiv:1610.08801 v2 · 2016-10-27 · math-ph · hep-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{URFMGQAGZVNV3J3J4OLBGFKVGD}

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	2026-05-18T00:43:01.929160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44ac34006cd5b5da769e39613155530cd783f626f38b290e27ba7a425327a77

Aliases

arxiv: 1610.08801 · arxiv_version: 1610.08801v2 · doi: 10.48550/arxiv.1610.08801 · pith_short_12: URFMGQAGZVNV · pith_short_16: URFMGQAGZVNV3J3J · pith_short_8: URFMGQAG

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/URFMGQAGZVNV3J3J4OLBGFKVGD \
  | 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: a44ac34006cd5b5da769e39613155530cd783f626f38b290e27ba7a425327a77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f067dc8d235e66968f411c377842bb702c32890dc085509798ecec970084ef3",
    "cross_cats_sorted": [
      "hep-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-10-27T14:32:50Z",
    "title_canon_sha256": "2b6705d6affaab0171adaac7089192ca4c5a2e034985c5865471e524aef05ca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08801",
    "kind": "arxiv",
    "version": 2
  }
}