Pith Number

pith:QQYM34XW

pith:1999:QQYM34XWTKULEUCUCTRBIKMLPH

not attested not anchored not stored refs pending

Waves on Noncommutative Spacetime and Gamma-Ray Bursts

Giovanni Amelino-Camelia, Shahn Majid

arxiv:hep-th/9907110 v1 · 1999-07-14 · 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{QQYM34XWTKULEUCUCTRBIKMLPH}

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	2026-05-18T00:53:51.959258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8430cdf2f69aa8b2505414e214298b79ef8b1d86a6f4a6fbfd0b49a06120265c

Aliases

arxiv: hep-th/9907110 · arxiv_version: hep-th/9907110v1 · doi: 10.48550/arxiv.hep-th/9907110 · pith_short_12: QQYM34XWTKUL · pith_short_16: QQYM34XWTKULEUCU · pith_short_8: QQYM34XW

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/QQYM34XWTKULEUCUCTRBIKMLPH \
  | 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: 8430cdf2f69aa8b2505414e214298b79ef8b1d86a6f4a6fbfd0b49a06120265c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a9f01a0880fea5c50d29b24910c738607f8454fe3b1722392a9b840a9bd3638",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-07-14T15:56:57Z",
    "title_canon_sha256": "81b787b2c07ed9439d6da24478165f50c48476ba91d43c51a2521c4f6a3d15f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9907110",
    "kind": "arxiv",
    "version": 1
  }
}