Pith Number

pith:QJFLQBSE

pith:2017:QJFLQBSEI6RH4ZL5GLTD4XCUFB

not attested not anchored not stored refs pending

Quantum Signaling to the Past Using P-CTCS

Arnab Adhikary, Goutam Paul, Soumik Ghosh

arxiv:1708.03521 v3 · 2017-08-11 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJFLQBSEI6RH4ZL5GLTD4XCUFB}

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	2026-05-18T00:03:41.728553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

824ab8064447a27e657d32e63e5c54286459bb24223261306394e6ba7a16c1f9

Aliases

arxiv: 1708.03521 · arxiv_version: 1708.03521v3 · doi: 10.48550/arxiv.1708.03521 · pith_short_12: QJFLQBSEI6RH · pith_short_16: QJFLQBSEI6RH4ZL5 · pith_short_8: QJFLQBSE

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/QJFLQBSEI6RH4ZL5GLTD4XCUFB \
  | 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: 824ab8064447a27e657d32e63e5c54286459bb24223261306394e6ba7a16c1f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b17b0ca64e5503e4744b98ca2f87ad199421bd6b86d842ad7932f5edc5d6da3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-11T12:35:04Z",
    "title_canon_sha256": "de1c3ee3ec909d65d753ff06cbd40d14a73b4e337718fc90c3ed87c43c925adc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03521",
    "kind": "arxiv",
    "version": 3
  }
}