Pith Number

pith:MQLKBQEJ

pith:2014:MQLKBQEJWAL4YYAOF3BP7ERBR6

not attested not anchored not stored refs pending

An Analog Model for Light Propagation in Semiclassical Gravity

C. H. G. Bessa, L. H. Ford, V. A. De Lorenci

arxiv:1402.6285 v1 · 2014-02-25 · gr-qc · hep-th · 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{MQLKBQEJWAL4YYAOF3BP7ERBR6}

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	2026-05-18T02:47:07.467504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6416a0c089b017cc600e2ec2ff92218f8f7a32af5c5cd2014dc9f9b11c67b3f4

Aliases

arxiv: 1402.6285 · arxiv_version: 1402.6285v1 · doi: 10.48550/arxiv.1402.6285 · pith_short_12: MQLKBQEJWAL4 · pith_short_16: MQLKBQEJWAL4YYAO · pith_short_8: MQLKBQEJ

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/MQLKBQEJWAL4YYAOF3BP7ERBR6 \
  | 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: 6416a0c089b017cc600e2ec2ff92218f8f7a32af5c5cd2014dc9f9b11c67b3f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37591d156240d1a8106dc36cc99d98ea5a6699b9c82d7aa8c75fb19e3f29432",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-02-25T19:26:18Z",
    "title_canon_sha256": "eb80546d58b128a66dd163491384335d56d0d8a3b0c00c08be07851a6dd2df9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6285",
    "kind": "arxiv",
    "version": 1
  }
}