Pith Number

pith:XZUP4BRL

pith:1999:XZUP4BRLLEOOISSTIEPFF2K6ZR

not attested not anchored not stored refs pending

Simulation of Panleve-Gullstrand black hole in thin 3He-A film

G.E. Volovik

arxiv:gr-qc/9901077 v2 · 1999-01-27 · gr-qc · cond-mat · hep-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{XZUP4BRLLEOOISSTIEPFF2K6ZR}

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

2 papers in Pith

Classical limit for Dirac fermions with modified action in the presence of the black hole

Tunnelling across a trapped region and out of a black hole

Receipt and verification

First computed	2026-07-04T16:13:49.007893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be68fe062b591ce44a53411e52e95ecc4322bd6e8554f9d2ab02df2df6fe85a1

Aliases

arxiv: gr-qc/9901077 · arxiv_version: gr-qc/9901077v2 · doi: 10.48550/arxiv.gr-qc/9901077 · pith_short_12: XZUP4BRLLEOO · pith_short_16: XZUP4BRLLEOOISST · pith_short_8: XZUP4BRL

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/XZUP4BRLLEOOISSTIEPFF2K6ZR \
  | 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: be68fe062b591ce44a53411e52e95ecc4322bd6e8554f9d2ab02df2df6fe85a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f05f092fa40ae4465527d238b1ac7e4bd024a823e1d9693f7eda8f318fc4504",
    "cross_cats_sorted": [
      "cond-mat",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-01-27T09:40:16Z",
    "title_canon_sha256": "29227a3c3550878010fb388521481a60f470348cf6f5da939c52b67a6a260129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9901077",
    "kind": "arxiv",
    "version": 2
  }
}