Pith Number

pith:HGHXVBFH

pith:1993:HGHXVBFHA4BNKUR7FBT2INMNOI

not attested not anchored not stored refs pending

Superspace Dynamics and Perturbations Around "Emptiness"

Chopin Soo, Lay Nam Chang

arxiv:gr-qc/9307018 v2 · 1993-07-14 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGHXVBFHA4BNKUR7FBT2INMNOI}

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	2026-05-18T04:37:57.505262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

398f7a84a70702d5523f2867a4358d720aa98ac71d3670d2eed1cdf202e5647a

Aliases

arxiv: gr-qc/9307018 · arxiv_version: gr-qc/9307018v2 · doi: 10.48550/arxiv.gr-qc/9307018 · pith_short_12: HGHXVBFHA4BN · pith_short_16: HGHXVBFHA4BNKUR7 · pith_short_8: HGHXVBFH

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/HGHXVBFHA4BNKUR7FBT2INMNOI \
  | 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: 398f7a84a70702d5523f2867a4358d720aa98ac71d3670d2eed1cdf202e5647a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac71538e96175753bba6a55ba2fa370a96dd4028b943259e8465bb7a056a3669",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-07-14T19:59:20Z",
    "title_canon_sha256": "891a9ab5139542ca86c559353bf1b11a1466e0f37a222a04659ce02c571fdf13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9307018",
    "kind": "arxiv",
    "version": 2
  }
}