Pith Number

pith:QQIPOF4L

pith:2017:QQIPOF4LH2H5SGEIMPUANQW7SC

not attested not anchored not stored refs pending

Emergence of spatial curvature

Krzysztof Bolejko

arxiv:1707.01800 v3 · 2017-07-06 · astro-ph.CO · 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{QQIPOF4LH2H5SGEIMPUANQW7SC}

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	2026-05-18T00:36:19.073024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8410f7178b3e8fd9188863e806c2df90930238f39b2ebd425c4e8dc1fad83b93

Aliases

arxiv: 1707.01800 · arxiv_version: 1707.01800v3 · doi: 10.48550/arxiv.1707.01800 · pith_short_12: QQIPOF4LH2H5 · pith_short_16: QQIPOF4LH2H5SGEI · pith_short_8: QQIPOF4L

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/QQIPOF4LH2H5SGEIMPUANQW7SC \
  | 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: 8410f7178b3e8fd9188863e806c2df90930238f39b2ebd425c4e8dc1fad83b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309cbe2f5a02b2ac7a4d77d9a7eb7528db8643b637143abed36eeea6fb77b504",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-07-06T14:04:27Z",
    "title_canon_sha256": "d097c4f916f7766bb875d46bfde244edc619e63fa82020b79a1ef0ad0b7cff12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01800",
    "kind": "arxiv",
    "version": 3
  }
}