Pith Number

pith:PCFV6JYL

pith:2015:PCFV6JYLDIWHIFREJQWOKK4AXP

not attested not anchored not stored refs pending

Hilbert space structure in quantum gravity: an algebraic perspective

Steven B. Giddings

arxiv:1503.08207 v2 · 2015-03-27 · hep-th · gr-qc · math-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{PCFV6JYLDIWHIFREJQWOKK4AXP}

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

Toward a Phenomenologically Acceptable Quantum Cyclic Universe

Receipt and verification

First computed	2026-05-18T01:22:01.725764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788b5f270b1a2c7416244c2ce52b80bbf705fdd6201f7fc217a7e1d6b638ad05

Aliases

arxiv: 1503.08207 · arxiv_version: 1503.08207v2 · doi: 10.48550/arxiv.1503.08207 · pith_short_12: PCFV6JYLDIWH · pith_short_16: PCFV6JYLDIWHIFRE · pith_short_8: PCFV6JYL

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/PCFV6JYLDIWHIFREJQWOKK4AXP \
  | 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: 788b5f270b1a2c7416244c2ce52b80bbf705fdd6201f7fc217a7e1d6b638ad05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f75e647070ccc8543c413a637416e2b8f61f1d634c29cd6f1383558345d9c63c",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-03-27T20:00:17Z",
    "title_canon_sha256": "b792d34343228fdc2b0f2a0e71d4845d18f2441ba8419c3abc26479d5aab54e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08207",
    "kind": "arxiv",
    "version": 2
  }
}