Pith Number

pith:2K5S5CQC

pith:2019:2K5S5CQCXTZGXZN7ED4J3TTM7X

not attested not anchored not stored refs pending

Problem of Time and Background Independence: classical version's higher Lie Theory

Edward Anderson

arxiv:1907.00912 v2 · 2019-07-01 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2K5S5CQCXTZGXZN7ED4J3TTM7X}

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	2026-05-17T23:41:17.013806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2bb2e8a02bcf26be5bf20f89dce6cfdec1e6c1b9a3a46f18964f42bc91d56fa

Aliases

arxiv: 1907.00912 · arxiv_version: 1907.00912v2 · doi: 10.48550/arxiv.1907.00912 · pith_short_12: 2K5S5CQCXTZG · pith_short_16: 2K5S5CQCXTZGXZN7 · pith_short_8: 2K5S5CQC

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/2K5S5CQCXTZGXZN7ED4J3TTM7X \
  | 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: d2bb2e8a02bcf26be5bf20f89dce6cfdec1e6c1b9a3a46f18964f42bc91d56fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f6aaf2893b8bf25569844141080c7a4ae9d88fe86142e56afb4530e001a272a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-07-01T16:30:46Z",
    "title_canon_sha256": "81455fe20ed3b5a9fc09c2ad772191094b580fc8d01085879e8732ca870e7097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00912",
    "kind": "arxiv",
    "version": 2
  }
}