Pith Number

pith:47EPHCD6

pith:1995:47EPHCD63UFTUQAFXVVKZYJPSH

not attested not anchored not stored refs pending

BRST cohomology for 2D gravity

Babes-Bolyai University of Cluj, Ion V. Vancea (Dept. of Theor. Physics, L. Tataru, Paul A. Blaga, Romania)

arxiv:hep-th/9504037 v1 · 1995-04-07 · 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{47EPHCD63UFTUQAFXVVKZYJPSH}

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	2026-05-18T02:36:04.022062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7c8f3887edd0b3a4005bd6aace12f91c7e150c8ce7714d728225311738492db

Aliases

arxiv: hep-th/9504037 · arxiv_version: hep-th/9504037v1 · doi: 10.48550/arxiv.hep-th/9504037 · pith_short_12: 47EPHCD63UFT · pith_short_16: 47EPHCD63UFTUQAF · pith_short_8: 47EPHCD6

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/47EPHCD63UFTUQAFXVVKZYJPSH \
  | 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: e7c8f3887edd0b3a4005bd6aace12f91c7e150c8ce7714d728225311738492db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fce47279ce3807743b560d9c32da9f8f2d58ae2dad5a4db44f52d5cda176e65",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-04-07T09:04:36Z",
    "title_canon_sha256": "2cd9cd4548a106f359d5b66653e45c1a2f62a62c6d7bea95473a2f668be1f874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9504037",
    "kind": "arxiv",
    "version": 1
  }
}