Pith Number

pith:NYFQ2LVR

pith:2024:NYFQ2LVRUY5BCWIYJ6PODTREJU

not attested not anchored not stored refs pending

Bubble Universe from Flat Spaces

Eduardo Guendelman, Jacov Portnoy

arxiv:2401.12368 v2 · 2024-01-22 · 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{NYFQ2LVRUY5BCWIYJ6PODTREJU}

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	2026-07-05T08:11:00.521307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e0b0d2eb1a63a1159184f9ee1ce244d0f4df9ff26a918b8bc8d7b1482f4c502

Aliases

arxiv: 2401.12368 · arxiv_version: 2401.12368v2 · doi: 10.48550/arxiv.2401.12368 · pith_short_12: NYFQ2LVRUY5B · pith_short_16: NYFQ2LVRUY5BCWIY · pith_short_8: NYFQ2LVR

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/NYFQ2LVRUY5BCWIYJ6PODTREJU \
  | 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: 6e0b0d2eb1a63a1159184f9ee1ce244d0f4df9ff26a918b8bc8d7b1482f4c502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0ebf58214179a1e1393824c8aa9383cad02ddb1ab543e5823ce7b4c5e1cc573",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-01-22T21:39:17Z",
    "title_canon_sha256": "ebf4bafec0ffdeaaa64fc34cf42cdde6f5538c44663e63e6b1dd6ec38de56372"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.12368",
    "kind": "arxiv",
    "version": 2
  }
}