Pith Number

pith:TRQAKX3Y

pith:2003:TRQAKX3Y57LG7RZIYHZAPIWDR4

not attested not anchored not stored refs pending

Chronology Protection in String Theory

Lisa Dyson

arxiv:hep-th/0302052 v5 · 2003-02-10 · 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{TRQAKX3Y57LG7RZIYHZAPIWDR4}

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	2026-07-04T16:41:03.706661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c60055f78efd66fc728c1f207a2c38f077fe19769679005865f966c0c17795f

Aliases

arxiv: hep-th/0302052 · arxiv_version: hep-th/0302052v5 · doi: 10.48550/arxiv.hep-th/0302052 · pith_short_12: TRQAKX3Y57LG · pith_short_16: TRQAKX3Y57LG7RZI · pith_short_8: TRQAKX3Y

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/TRQAKX3Y57LG7RZIYHZAPIWDR4 \
  | 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: 9c60055f78efd66fc728c1f207a2c38f077fe19769679005865f966c0c17795f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff3128a3f919549a70e60ce9f1551f370c033fba2f2c24994534ed6508c548f3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2003-02-10T20:27:39Z",
    "title_canon_sha256": "c4c4883c7d3bc5c78fbd5cb45563b8698489fa68d43d785f95f56703166e92ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0302052",
    "kind": "arxiv",
    "version": 5
  }
}