Pith Number

pith:TFQ7AZBF

pith:2001:TFQ7AZBFHXRHNDRLHCEMTDFWEJ

not attested not anchored not stored refs pending

Analogue models of and for gravity

Matt Visser (Washington University in Saint Louis) Carlos Barcelo (Washington University in Saint Louis) Stefano Liberati (U of Maryland)

arxiv:gr-qc/0111111 v1 · 2001-11-30 · 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{TFQ7AZBFHXRHNDRLHCEMTDFWEJ}

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.

Cited by

1 paper in Pith

Quantum dynamics of cosmological particle production: interacting quantum field theories with matrix product states

Receipt and verification

First computed	2026-07-04T14:25:32.090050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9961f064253de2768e2b3888c98cb6225960b6a73b83b63237fec2cfa190566e

Aliases

arxiv: gr-qc/0111111 · arxiv_version: gr-qc/0111111v1 · doi: 10.48550/arxiv.gr-qc/0111111 · pith_short_12: TFQ7AZBFHXRH · pith_short_16: TFQ7AZBFHXRHNDRL · pith_short_8: TFQ7AZBF

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/TFQ7AZBFHXRHNDRLHCEMTDFWEJ \
  | 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: 9961f064253de2768e2b3888c98cb6225960b6a73b83b63237fec2cfa190566e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da4790de055c156d7b7d6efb6fa157e2bd891ae48f906cd0937ffc71d3ad8e00",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-11-30T03:06:00Z",
    "title_canon_sha256": "af26f131c5d9695d39f4f878637312003bbc08c8967a74f729d81fe62323d3cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0111111",
    "kind": "arxiv",
    "version": 1
  }
}