Pith Number

pith:HZ6JGNF5

pith:1997:HZ6JGNF52FMIVZLXB7VAELVAMN

not attested not anchored not stored refs pending

Diffeomorphism algebra of two dimensional free massless scalar field with signature change

A. Rezaei-Aghdam, F. Darabi, M. A. Jafarizadeh

arxiv:hep-th/9712240 v2 · 1997-12-27 · 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{HZ6JGNF52FMIVZLXB7VAELVAMN}

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	2026-07-04T16:05:49.005039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e7c9334bdd1588ae5770fea022ea06373b5a5e8586b0c4213fedd719372a51f

Aliases

arxiv: hep-th/9712240 · arxiv_version: hep-th/9712240v2 · doi: 10.48550/arxiv.hep-th/9712240 · pith_short_12: HZ6JGNF52FMI · pith_short_16: HZ6JGNF52FMIVZLX · pith_short_8: HZ6JGNF5

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/HZ6JGNF52FMIVZLXB7VAELVAMN \
  | 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: 3e7c9334bdd1588ae5770fea022ea06373b5a5e8586b0c4213fedd719372a51f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96182ef681319ecf15c9c6054c16b09f11c9458916fcb14b5b3160c1ee353296",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1997-12-27T13:51:14Z",
    "title_canon_sha256": "4f77035b8283c35fbb81e8541990da1f34e68f3895f3a19e52f6f126b0b09952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9712240",
    "kind": "arxiv",
    "version": 2
  }
}