Pith Number

pith:FTQA2VIJ

pith:2012:FTQA2VIJKS7MHDMJ57B5333332

not attested not anchored not stored refs pending

Observations on entanglement entropy in massive QFT's

Aitor Lewkowycz, Michael Smolkin, Robert C. Myers

arxiv:1210.6858 v1 · 2012-10-25 · 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{FTQA2VIJKS7MHDMJ57B5333332}

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	2026-05-18T01:53:37.667235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ce00d550954bec38d89efc3ddef7bdea9007e8c3cefd6ca7d9584ac6488829e

Aliases

arxiv: 1210.6858 · arxiv_version: 1210.6858v1 · doi: 10.48550/arxiv.1210.6858 · pith_short_12: FTQA2VIJKS7M · pith_short_16: FTQA2VIJKS7MHDMJ · pith_short_8: FTQA2VIJ

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/FTQA2VIJKS7MHDMJ57B5333332 \
  | 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: 2ce00d550954bec38d89efc3ddef7bdea9007e8c3cefd6ca7d9584ac6488829e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9242157e3c693793881dd23fc0264d0da152c37d17c428373328c8676fac2f80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-10-25T14:40:52Z",
    "title_canon_sha256": "1d3d06c14836e19971b0b81aef22ab843066ee460d588259098ec89b37e45992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6858",
    "kind": "arxiv",
    "version": 1
  }
}