Pith Number

pith:PJJQVH7C

pith:2003:PJJQVH7CMWP6CTX7WRPWDLX55W

not attested not anchored not stored refs pending

Killing spectroscopy of closed timelike curves

Joan Sim\'on, Liat Maoz

arxiv:hep-th/0310255 v2 · 2003-10-28 · 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{PJJQVH7CMWP6CTX7WRPWDLX55W}

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	2026-05-18T01:09:00.043385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a530a9fe2659fe14effb45f61aefded839faf507e1f1f05ee8e6b356b5f7f66

Aliases

arxiv: hep-th/0310255 · arxiv_version: hep-th/0310255v2 · doi: 10.48550/arxiv.hep-th/0310255 · pith_short_12: PJJQVH7CMWP6 · pith_short_16: PJJQVH7CMWP6CTX7 · pith_short_8: PJJQVH7C

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/PJJQVH7CMWP6CTX7WRPWDLX55W \
  | 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: 7a530a9fe2659fe14effb45f61aefded839faf507e1f1f05ee8e6b356b5f7f66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31c9cc7fd228b089bed09b7d899b339045e13fb4032a52922e3ca3665cdf8d1e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2003-10-28T12:42:07Z",
    "title_canon_sha256": "62b05b3fb8861df52b678cee2a2baf0e58b10a13d5c0ae91833bf72b55fd0511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0310255",
    "kind": "arxiv",
    "version": 2
  }
}