Pith Number

pith:3LESOVD7

pith:2016:3LESOVD7QHZNKK2ZYFWH2LW533

not attested not anchored not stored refs pending

Entanglement between two scalar fields in an expanding spacetime

Helder Alexander, I. G. da Paz, Marcos Sampaio

arxiv:1602.03487 v3 · 2016-02-10 · quant-ph · 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{3LESOVD7QHZNKK2ZYFWH2LW533}

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	2026-05-18T00:42:02.808704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dac927547f81f2d52b59c16c7d2edddecc481b87f7d50958d34a83887cb86c86

Aliases

arxiv: 1602.03487 · arxiv_version: 1602.03487v3 · doi: 10.48550/arxiv.1602.03487 · pith_short_12: 3LESOVD7QHZN · pith_short_16: 3LESOVD7QHZNKK2Z · pith_short_8: 3LESOVD7

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/3LESOVD7QHZNKK2ZYFWH2LW533 \
  | 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: dac927547f81f2d52b59c16c7d2edddecc481b87f7d50958d34a83887cb86c86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53e90acb2ea439606c6c9aa930b9365471ffa5bb15ed4a1d015159ccb7770347",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-10T19:10:05Z",
    "title_canon_sha256": "4130991670845dc63215252294a268d158b2b04d1d2906b39675cacd660db3ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03487",
    "kind": "arxiv",
    "version": 3
  }
}