Pith Number

pith:RQPQQPRI

pith:2012:RQPQQPRIJ7BEO4OQTSZAWHIZA3

not attested not anchored not stored refs pending

Problem of Time in Quantum Gravity

Edward Anderson

arxiv:1206.2403 v2 · 2012-06-11 · 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{RQPQQPRIJ7BEO4OQTSZAWHIZA3}

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.

Cited by

1 paper in Pith

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

Receipt and verification

First computed	2026-05-18T01:56:59.585476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c1f083e284fc24771d09cb20b1d1906d761d3a869755315f5907c1658caac9f

Aliases

arxiv: 1206.2403 · arxiv_version: 1206.2403v2 · doi: 10.48550/arxiv.1206.2403 · pith_short_12: RQPQQPRIJ7BE · pith_short_16: RQPQQPRIJ7BEO4OQ · pith_short_8: RQPQQPRI

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/RQPQQPRIJ7BEO4OQTSZAWHIZA3 \
  | 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: 8c1f083e284fc24771d09cb20b1d1906d761d3a869755315f5907c1658caac9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e17b8f187e297e8cc3363dd73ee55ec619d23233221d12a102b41c5a3ff2246",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-06-11T23:32:42Z",
    "title_canon_sha256": "a76204a1b809d4476a34c6f3499147082d1a59c98a97f6810b208134bcffe393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2403",
    "kind": "arxiv",
    "version": 2
  }
}