Pith Number

pith:76TJJUS4

pith:2017:76TJJUS4U3XBS4IUFHLGCB2JTY

not attested not anchored not stored refs pending

On Backreaction in Newtonian cosmology

Thomas Buchert

arxiv:1704.00703 v3 · 2017-04-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76TJJUS4U3XBS4IUFHLGCB2JTY}

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	2026-05-18T00:30:55.121923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffa694d25ca6ee19711429d66107499e23c06fdeadc22ea66b0100b76af9d9d9

Aliases

arxiv: 1704.00703 · arxiv_version: 1704.00703v3 · doi: 10.48550/arxiv.1704.00703 · pith_short_12: 76TJJUS4U3XB · pith_short_16: 76TJJUS4U3XBS4IU · pith_short_8: 76TJJUS4

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/76TJJUS4U3XBS4IUFHLGCB2JTY \
  | 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: ffa694d25ca6ee19711429d66107499e23c06fdeadc22ea66b0100b76af9d9d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e5b9bd88634401afcc83a39c11930f73b0c0760a4f78048f81f8808f85ce7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-04-03T17:43:50Z",
    "title_canon_sha256": "e2cb3573c6987e5c5fc68eecf0f62ee5a3c454914b486fc1688d7ca8572714d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00703",
    "kind": "arxiv",
    "version": 3
  }
}