Pith Number

pith:HGFKRD6X

pith:2017:HGFKRD6XWARYTLDRUDFP3DBUEZ

not attested not anchored not stored refs pending

A model of regular black hole satisfying the Weak Energy Condition

Stefano Chinaglia

arxiv:1707.02795 v1 · 2017-07-10 · 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{HGFKRD6XWARYTLDRUDFP3DBUEZ}

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	2026-05-18T00:40:35.751165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

398aa88fd7b02389ac71a0cafd8c34264c2ffe8fe3a6dcccc37b183d24eb52ca

Aliases

arxiv: 1707.02795 · arxiv_version: 1707.02795v1 · doi: 10.48550/arxiv.1707.02795 · pith_short_12: HGFKRD6XWARY · pith_short_16: HGFKRD6XWARYTLDR · pith_short_8: HGFKRD6X

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/HGFKRD6XWARYTLDRUDFP3DBUEZ \
  | 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: 398aa88fd7b02389ac71a0cafd8c34264c2ffe8fe3a6dcccc37b183d24eb52ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "337804560d5e896578945f3eab0e2cafa50fb19f0e3fefd1c48c48818907931c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-07-10T10:55:25Z",
    "title_canon_sha256": "2684456c212e233f63fa5f88138bc9c68ffb8cca20ec46b556ec790802d3ab49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02795",
    "kind": "arxiv",
    "version": 1
  }
}