Pith Number

pith:SQN2QG3Q

pith:1994:SQN2QG3QKBAYKEBCTKR5AC6T4J

not attested not anchored not stored refs pending

Quantum Gravity and Equivariant Cohomology

G. Lifschytz, R. Brooks

arxiv:hep-th/9407177 v2 · 1994-07-27 · hep-th · 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{SQN2QG3QKBAYKEBCTKR5AC6T4J}

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	2026-07-04T15:57:49.373526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

941ba81b7050418510229aa3d00bd3e253193357a54d396c8c75b21d61a1da13

Aliases

arxiv: hep-th/9407177 · arxiv_version: hep-th/9407177v2 · doi: 10.48550/arxiv.hep-th/9407177 · pith_short_12: SQN2QG3QKBAY · pith_short_16: SQN2QG3QKBAYKEBC · pith_short_8: SQN2QG3Q

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/SQN2QG3QKBAYKEBCTKR5AC6T4J \
  | 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: 941ba81b7050418510229aa3d00bd3e253193357a54d396c8c75b21d61a1da13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5566e88f88c0d76fd26091234e2999a02f8d7b2d60adcd1dcac35caf64b103a7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-07-27T06:33:16Z",
    "title_canon_sha256": "bec0ed6f0a2f199199ab4b00cd45ce283519c5bb0b8db8fc2699af99ce17cf26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9407177",
    "kind": "arxiv",
    "version": 2
  }
}