Pith Number

pith:D3YX37FB

pith:2002:D3YX37FBYEBXKV5CHZYTRRBWCO

not attested not anchored not stored refs pending

Warped space-time for phonons moving in a perfect nonrelativistic fluid

Matt Visser, Uwe R. Fischer

arxiv:gr-qc/0211029 v3 · 2002-11-08 · gr-qc · cond-mat · 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{D3YX37FBYEBXKV5CHZYTRRBWCO}

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	2026-05-18T04:33:05.419104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ef17dfca1c1037557a23e7138c43613864eddf50a5aa692240d20b89fb9c44b

Aliases

arxiv: gr-qc/0211029 · arxiv_version: gr-qc/0211029v3 · doi: 10.48550/arxiv.gr-qc/0211029 · pith_short_12: D3YX37FBYEBX · pith_short_16: D3YX37FBYEBXKV5C · pith_short_8: D3YX37FB

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/D3YX37FBYEBXKV5CHZYTRRBWCO \
  | 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: 1ef17dfca1c1037557a23e7138c43613864eddf50a5aa692240d20b89fb9c44b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a746221e782d24334f830808e195025f237bfa14be6add0e03f4dbc2c1c65f2",
    "cross_cats_sorted": [
      "cond-mat",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-11-08T14:17:53Z",
    "title_canon_sha256": "bfac5dfb7d743426cd50b909e9f0fe84a60d8bc5e1c7b4667e398936ca268fb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0211029",
    "kind": "arxiv",
    "version": 3
  }
}