Pith Number

pith:EZ3OYP6U

pith:2026:EZ3OYP6UCR6DMA5E3FFEUOA74C

not attested not anchored not stored refs pending

Boundary Obstructions and Lapse Freedom in Static Spherical Hollow Cores

Gabriel Abell\'an, Ivaylo Vasilev, Nelson Bol\'ivar

arxiv:2608.15000 v1 · 2026-08-15 · 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{EZ3OYP6UCR6DMA5E3FFEUOA74C}

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	2026-08-18T01:12:58.142870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2676ec3fd4147c3603a4d94a4a381fe0840ded49f4b86f092c520ff99c028bd7

Aliases

arxiv: 2608.15000 · arxiv_version: 2608.15000v1 · doi: 10.48550/arxiv.2608.15000 · pith_short_12: EZ3OYP6UCR6D · pith_short_16: EZ3OYP6UCR6DMA5E · pith_short_8: EZ3OYP6U

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/EZ3OYP6UCR6DMA5E3FFEUOA74C \
  | 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: 2676ec3fd4147c3603a4d94a4a381fe0840ded49f4b86f092c520ff99c028bd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55f30fc2a30c23ac9b607fcf65819135b672b0224463b705ce201ba344e82f4f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-08-15T03:17:18Z",
    "title_canon_sha256": "dd9fc357e1471831b5a80ad83237661d2d92f6d8274be6187e648c273948e93c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.15000",
    "kind": "arxiv",
    "version": 1
  }
}