Pith Number

pith:ZAUKPDEH

pith:2014:ZAUKPDEHFXDXQQY3T5DVYD7LV4

not attested not anchored not stored refs pending

Correct observer's event horizon in de Sitter space-time

Irina Zubareva, Valera Berestovskii

arxiv:1406.3239 v1 · 2014-06-12 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAUKPDEHFXDXQQY3T5DVYD7LV4}

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	2026-05-18T02:49:52.776871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c828a78c872dc778431b9f475c0febaf1e19194c4c1627d33e404b67a4101f3a

Aliases

arxiv: 1406.3239 · arxiv_version: 1406.3239v1 · doi: 10.48550/arxiv.1406.3239 · pith_short_12: ZAUKPDEHFXDX · pith_short_16: ZAUKPDEHFXDXQQY3 · pith_short_8: ZAUKPDEH

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/ZAUKPDEHFXDXQQY3T5DVYD7LV4 \
  | 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: c828a78c872dc778431b9f475c0febaf1e19194c4c1627d33e404b67a4101f3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "237ed72461359afe7ac2bce75befa70116a0a4a2ddff1e6aebae8336d5772c35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-06-12T13:41:20Z",
    "title_canon_sha256": "930ebf49d651dea6050216a6c04ad11f0133633e2a800d0d373b0b1952d39e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3239",
    "kind": "arxiv",
    "version": 1
  }
}