Pith Number

pith:HGRG4FAM

pith:2022:HGRG4FAMVFIBRSCRJDBBYEZDQC

not attested not anchored not stored refs pending

The deepest problem: some perspectives on quantum gravity

Steven B. Giddings

arxiv:2202.08292 v2 · 2022-02-16 · hep-th · gr-qc · hep-ph · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGRG4FAMVFIBRSCRJDBBYEZDQC}

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

Analog model for Euclidean wormholes: Bose-Einstein condensate with dirty surfaces

Receipt and verification

First computed	2026-07-05T04:10:25.730343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39a26e140ca95018c85148c21c132380b1ff50aeb7781e22470e674a77e72262

Aliases

arxiv: 2202.08292 · arxiv_version: 2202.08292v2 · doi: 10.48550/arxiv.2202.08292 · pith_short_12: HGRG4FAMVFIB · pith_short_16: HGRG4FAMVFIBRSCR · pith_short_8: HGRG4FAM

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/HGRG4FAMVFIBRSCRJDBBYEZDQC \
  | 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: 39a26e140ca95018c85148c21c132380b1ff50aeb7781e22470e674a77e72262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca16963e18ffa16e9b99a7da6e437f9074950823ead9a15294942c0220ed51b2",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-02-16T19:00:12Z",
    "title_canon_sha256": "a478b786e7dbe9b23e9956df149d2d822ce6632f052bf9d1e2c328f3f313f398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.08292",
    "kind": "arxiv",
    "version": 2
  }
}