Pith Number

pith:COP7PDAF

pith:2014:COP7PDAF6ZXDJ5UKRECLTENTRS

not attested not anchored not stored refs pending

Analytic conformal compactification of Schwarzschild spacetime

Jakub Hal\'a\v{c}ek, Tom\'a\v{s} Ledvinka

arxiv:1401.1337 v1 · 2014-01-07 · 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{COP7PDAF6ZXDJ5UKRECLTENTRS}

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	2026-05-18T03:03:08.917112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

139ff78c05f66e34f68a8904b991b38cae599cb1b59abd6ce126227582b83346

Aliases

arxiv: 1401.1337 · arxiv_version: 1401.1337v1 · doi: 10.48550/arxiv.1401.1337 · pith_short_12: COP7PDAF6ZXD · pith_short_16: COP7PDAF6ZXDJ5UK · pith_short_8: COP7PDAF

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/COP7PDAF6ZXDJ5UKRECLTENTRS \
  | 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: 139ff78c05f66e34f68a8904b991b38cae599cb1b59abd6ce126227582b83346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64c1fb4155e57b1cddb6aa61da52e7adfe26e2e8e379f26b5df4a8608028e99b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-01-07T10:52:39Z",
    "title_canon_sha256": "90d8f9afa75724be24e41a387b5b8be550f7ff54b4a04c93fdeafddd3cce7590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1337",
    "kind": "arxiv",
    "version": 1
  }
}