Pith Number

pith:UTPI7F7Z

pith:2012:UTPI7F7ZYRKK544YDFEPIYBCDQ

not attested not anchored not stored refs pending

Criteria for the determination of time dependent scalings in the Fock quantization of scalar fields with a time dependent mass in ultrastatic spacetimes

Guillermo A. Mena Marug\'an, Javier Olmedo, Jer\'onimo Cortez, Jos\'e M. Velhinho

arxiv:1202.6330 v2 · 2012-02-28 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTPI7F7ZYRKK544YDFEPIYBCDQ}

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	2026-05-18T01:58:18.606965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4de8f97f9c454aef3981948f460221c2675a6ef9bff73414bf6d7da2af3048a

Aliases

arxiv: 1202.6330 · arxiv_version: 1202.6330v2 · doi: 10.48550/arxiv.1202.6330 · pith_short_12: UTPI7F7ZYRKK · pith_short_16: UTPI7F7ZYRKK544Y · pith_short_8: UTPI7F7Z

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/UTPI7F7ZYRKK544YDFEPIYBCDQ \
  | 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: a4de8f97f9c454aef3981948f460221c2675a6ef9bff73414bf6d7da2af3048a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "800747653e1b28430e842ed77ba47d1400b37acd3a0da666fc1071c672c91e33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-28T19:30:05Z",
    "title_canon_sha256": "2c8962ca28a32a8a2ada83a61a541f83d4194dfb54546b4af6f675094cb990ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6330",
    "kind": "arxiv",
    "version": 2
  }
}