Pith Number

pith:WKXBLD4B

pith:2012:WKXBLD4BLKH5NFCB5XLGUQXKA7

not attested not anchored not stored refs pending

On a Recent Construction of "Vacuum-like" Quantum Field States in Curved Spacetime

Christopher J. Fewster, Rainer Verch

arxiv:1206.1562 v2 · 2012-06-07 · math-ph · gr-qc · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKXBLD4BLKH5NFCB5XLGUQXKA7}

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	2026-05-18T03:34:59.375673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2ae158f815a8fd69441edd66a42ea07ca22a91d7faa3e1227d17a48389b9183

Aliases

arxiv: 1206.1562 · arxiv_version: 1206.1562v2 · doi: 10.48550/arxiv.1206.1562 · pith_short_12: WKXBLD4BLKH5 · pith_short_16: WKXBLD4BLKH5NFCB · pith_short_8: WKXBLD4B

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/WKXBLD4BLKH5NFCB5XLGUQXKA7 \
  | 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: b2ae158f815a8fd69441edd66a42ea07ca22a91d7faa3e1227d17a48389b9183

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6770972515e00ea3aec7fabf1bfbd69ce1a8108d39103e04968673f00037fd41",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-06-07T17:53:05Z",
    "title_canon_sha256": "2c474c18ff603dfe96334dcf1f872066ddddb71fe49c1cc52df01112d3500fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1562",
    "kind": "arxiv",
    "version": 2
  }
}