Pith Number

pith:B6IDAFWU

pith:1999:B6IDAFWUJ5YTN2YUK7KQ6CFHZ3

not attested not anchored not stored refs pending

Is the brick-wall model unstable for a rotating background?

Shinji Mukohyama

arxiv:gr-qc/9910013 v2 · 1999-10-04 · 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{B6IDAFWUJ5YTN2YUK7KQ6CFHZ3}

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	2026-05-18T04:35:25.497338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f903016d44f7136eb1457d50f08a7cedf3dff04559220b4c1ad997ef5c4299b

Aliases

arxiv: gr-qc/9910013 · arxiv_version: gr-qc/9910013v2 · doi: 10.48550/arxiv.gr-qc/9910013 · pith_short_12: B6IDAFWUJ5YT · pith_short_16: B6IDAFWUJ5YTN2YU · pith_short_8: B6IDAFWU

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/B6IDAFWUJ5YTN2YUK7KQ6CFHZ3 \
  | 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: 0f903016d44f7136eb1457d50f08a7cedf3dff04559220b4c1ad997ef5c4299b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f80a3b16074f38717660fbc82e55d23cc042d14970e0c3e15253a4e06e445b5e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-10-04T22:16:40Z",
    "title_canon_sha256": "e9325c43ae2e7befccde7d1a5a7c2b04669a3a63575758e72f2953e17cc94160"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9910013",
    "kind": "arxiv",
    "version": 2
  }
}